Fatto matematico: 5464 is the number of subsets of {1,2,3,...,16} that have a sum divisible by 12.
Trivia: 5464 is a boring number.
Data storica: December 16th is the day in 755 that an Lushan revolts against Chancellor Yang Guozhong at Fanyang, initiating the An Shi Rebellion during the Tang Dynasty of China.