General fact: 5477 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 5477 is an uninteresting number.
Trivia: 5477 is an unremarkable number.
Historical date: December 29th is the day in 1992 that Fernando Collor de Mello, president of Brazil, tries to resign amidst corruption charges, but is then impeached.