#52? Has life caught YOU off guard?

life can take you on a roadtrip... you think everything is fine and IT teaches you how to survive
A few important facts about that number are:

In Humans: Adrenomedullin is a 52-amino-acid peptide observed to stimulate adenylyl cyclase activity in a platelet bioassay. It was discovered and isolated from human pheochromocytoma extracts.

In Humans: the DNA-binding domain of Myb has been shown to contain three imperfectly conserved repeats of 52 amino acids that constitute the amino-terminal end.

The Mayan Calendar moves through a complete cycle every 52 years.

Patolli is an Aztec board game utilizing 52 squares arranged in a cross form.