56523632565 has 64 divisors (see below), whose sum is σ = 93584595456. Its totient is φ = 29110321152.

The previous prime is 56523632519. The next prime is 56523632573.

56523632565 is nontrivially palindromic in base 10.

56523632565 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 56523632565 - 2¹⁶ = 56523567029 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51525097 + ... + 51526193.

It is an arithmetic number, because the mean of its divisors is an integer number (1462259304).

Almost surely, 2^56523632565 is an apocalyptic number.

It is an amenable number.

56523632565 is a deficient number, since it is larger than the sum of its proper divisors (37060962891).

56523632565 is a wasteful number, since it uses less digits than its factorization.

56523632565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758.

The product of its digits is 4860000, while the sum is 48.

The spelling of 56523632565 in words is "fifty-six billion, five hundred twenty-three million, six hundred thirty-two thousand, five hundred sixty-five".