Fatto generale: 49892 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 49892 is an uninteresting number.
Trivia: 49892 is an unremarkable number.
Data storica: August 6th is the day in 1787 that Sixty proof sheets of the Constitution of the United States are delivered to the Constitutional Convention in Philadelphia.