Fait mathématique: 5443 is the smallest prime p with 17 consecutive quadratic residues mod p.
Culture générale: 5443 is an uninteresting number.
Date historique: November 25th is the day in 2008 that Cyclone Nisha strikes northern Sri Lanka, killing 15 people and displacing 90,000 others while dealing the region the highest rainfall in 9 decades.