Fatto generale: 52477 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 52477 is an uninteresting number.
Trivia: 52477 is an unremarkable number.
Data storica: September 4th is the day in 1888 that George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film.