Fait mathématique: 6552 is the number of different full houses in 5 card poker with one joker.
Culture générale: 6552 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: December 8th is the day in 2010 that the Japanese solar-sail spacecraft IKAROS passes the planet Venus at a distance of about 80,800 km.