The Number 556: Properties and MeaningsPrime Factors of 556=2x2x139.
556 is a 94-gonal Number.
556 is a Centered 37-gonal Number.
556 Phyllis is a minor planet orbiting the Sun.
The Year 556 ADIn the year 556 AD Cynric and Ceawlin of Wessex fought against the Britons at Beranburh.
In the year 556 AD Pope Pelagius I succeeded Pope Vigilius as the 60th pope.