56136772624 has 15 divisors (see below), whose sum is σ = 108766833213. Its totient is φ = 28067912448.

The previous prime is 56136772619. The next prime is 56136772669. The reversal of 56136772624 is 42627763165.

The square root of 56136772624 is 236932.

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

It can be written as a sum of positive squares in only one way, i.e., 11206339600 + 44930433024 = 105860^2 + 211968^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 918112 + ... + 977344.

Almost surely, 2^56136772624 is an apocalyptic number.

56136772624 is the 236932-nd square number.

It is an amenable number.

56136772624 is a deficient number, since it is larger than the sum of its proper divisors (52630060589).

56136772624 is an frugal number, since it uses more digits than its factorization.

56136772624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118474 (or 59235 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

Multiplying 56136772624 by its sum of digits (49), we get a square (2750701858576 = 1658524²).

The spelling of 56136772624 in words is "fifty-six billion, one hundred thirty-six million, seven hundred seventy-two thousand, six hundred twenty-four".