General fact: 2544 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 2544 is an unremarkable number.
Trivia: 2544 is an uninteresting number.
Historical date: December 18th is the day in 1898 that Gaston de Chasseloup-Laubat sets the first officially recognized land speed record of 39.245 mph (63.159 km/h) in a Jeantaud electric car.