56680511572 has 36 divisors (see below), whose sum is σ = 100903987156. Its totient is φ = 27853787520.

The previous prime is 56680511527. The next prime is 56680511611. The reversal of 56680511572 is 27511508665.

It can be written as a sum of positive squares in 2 ways, for example, as 27332024976 + 29348486596 = 165324^2 + 171314^2 .

It is a super-2 number, since 2×56680511572² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94624929 + ... + 94625527.

Almost surely, 2^56680511572 is an apocalyptic number.

It is an amenable number.

56680511572 is a deficient number, since it is larger than the sum of its proper divisors (44223475584).

56680511572 is an equidigital number, since it uses as much as digits as its factorization.

56680511572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 56680511572 in words is "fifty-six billion, six hundred eighty million, five hundred eleven thousand, five hundred seventy-two".