56575836065 has 16 divisors (see below), whose sum is σ = 79053677568. Its totient is φ = 38062879296.

The previous prime is 56575836049. The next prime is 56575836089. The reversal of 56575836065 is 56063857565.

It is a cyclic number.

It is not a de Polignac number, because 56575836065 - 2⁴ = 56575836049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56575836065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15247697 + ... + 15251406.

It is an arithmetic number, because the mean of its divisors is an integer number (4940854848).

Almost surely, 2^56575836065 is an apocalyptic number.

It is an amenable number.

56575836065 is a deficient number, since it is larger than the sum of its proper divisors (22477841503).

56575836065 is a wasteful number, since it uses less digits than its factorization.

56575836065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30499168.

The product of its (nonzero) digits is 22680000, while the sum is 56.

The spelling of 56575836065 in words is "fifty-six billion, five hundred seventy-five million, eight hundred thirty-six thousand, sixty-five".