Fatto generale: 5529 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5529 is an uninteresting number.
Trivia: 5529 is an uninteresting number.
Data storica: February 19th is the day in 1600 that the Peruvian stratovolcano Huaynaputina explodes in the most violent eruption in the recorded history of South America.