56355911236 has 27 divisors (see below), whose sum is σ = 102165862071. Its totient is φ = 27199654944.

The previous prime is 56355911233. The next prime is 56355911263. The reversal of 56355911236 is 63211955365.

The square root of 56355911236 is 237394.

It is a perfect power (a square), and thus also a powerful number.

56355911236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 213452100 + 56142459136 = 14610^2 + 236944^2 .

It is a super-2 number, since 2×56355911236² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56355911233) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13766806 + ... + 13770898.

Almost surely, 2^56355911236 is an apocalyptic number.

56355911236 is the 237394-th square number.

It is an amenable number.

56355911236 is a deficient number, since it is larger than the sum of its proper divisors (45809950835).

56355911236 is an frugal number, since it uses more digits than its factorization.

56355911236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248 (or 4124 counting only the distinct ones).

The product of its digits is 729000, while the sum is 46.

The spelling of 56355911236 in words is "fifty-six billion, three hundred fifty-five million, nine hundred eleven thousand, two hundred thirty-six".