5597

5597 = 29 x 193.

5597 has a cube with only odd digits (A030099 and A085597): 5597³ = 175,333,911,173.

5597 is the number of binary rooted trees with 16 nodes and height exactly 8 (A036597).

5597 is a composite number n such that every divisor (except 1) of n contains the digit 9 (A062680).

5597 has two representations as a sum of two squares: 5597 = 11² + 74² = 46² + 59².

5597 is the hypotenuse of two primitive Pythagorean triples: 5597² = 1365² + 5428² = 1628² + 5355².

5597 is a divisor of 12²⁴ - 1.

Source: What's Special About This Number?