The phrase "a remarkable sum of" is correct and usable in written English.
It can be used when referring to a large or impressive amount of something, often in a financial or quantitative context.
Example: "The charity raised a remarkable sum of money during the fundraising event."
Alternatives: "an impressive amount of" or "a significant total of".
A remarkable sum for such a small country.
"It's a remarkable sum to be starting the election cycle with," said Douglas Weber, a researcher for the center.
Two years later, the movie's studio, Digital Playground, spent $8 million on a sequel — a remarkable sum in an industry where the average movie costs $25,000, according to the director of the two movies, Ali Joone.
And while we have raised US$522 million in the first year of the program – a remarkable sum that will help vaccinate tens of thousands of children – corporations are sharing their business competencies to help solve supply chain and logistics management issues as well.
All the same, £9m – even when judged against the banking industry's otherworldly yardsticks – is a remarkable sum.
Then an obscure state senator, Mr Foster paid Mr Duke the remarkable sum of $150,000 for a list of voters worth contacting.
His fluency enabled him to fulfil between tours a contract from The Pictorial Review for ten short stories at the remarkable sum of $1,350 apiece.
They arrive at the remarkable sum of $57 trillion in 1992 dollars, equivalent to six times the value of America's entire output of tangible goods and services in 1999.
We'd notice our public coffers being emptied to benefit major corporations and financial institutions working in close alliance with, and passing on remarkable sums of money to, the representatives of "the people".
According to the Brennan Center, approximately $3.5 million in special interest money was spent on the race – a truly remarkable sum for a judicial election where the return of the incumbent is a forgone conclusion before the race even begins.
By Hendrik Hertzberg August 12, 2008 The lede of a story in today's Times, by Paul von Zielbauer and James Glanz, sums up a remarkable number of the ways that Bush the Younger's Iraq adventure resembles the overstretched twilight of the late Roman Empire: BAGHDAD, Oct. 24 — The Blackwater USA compound here is a fortress within a fortress.
