56624690913 has 12 divisors (see below), whose sum is σ = 87826051440. Its totient is φ = 32356966152.

The previous prime is 56624690869. The next prime is 56624690951. The reversal of 56624690913 is 31909642665.

56624690913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56624690913 - 2⁶ = 56624690849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56624690113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192600843 + ... + 192601136.

It is an arithmetic number, because the mean of its divisors is an integer number (7318837620).

Almost surely, 2^56624690913 is an apocalyptic number.

It is an amenable number.

56624690913 is a deficient number, since it is larger than the sum of its proper divisors (31201360527).

56624690913 is a wasteful number, since it uses less digits than its factorization.

56624690913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385201996 (or 385201989 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 56624690913 in words is "fifty-six billion, six hundred twenty-four million, six hundred ninety thousand, nine hundred thirteen".