56522553111565 has 16 divisors (see below), whose sum is σ = 68843197987200. Its totient is φ = 44540693968320.

The previous prime is 56522553111553. The next prime is 56522553111569. The reversal of 56522553111565 is 56511135522565.

It is not a de Polignac number, because 56522553111565 - 2⁵ = 56522553111533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56522553111569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1461135 + ... + 10732195.

It is an arithmetic number, because the mean of its divisors is an integer number (4302699874200).

Almost surely, 2^{56522553111565} is an apocalyptic number.

It is an amenable number.

56522553111565 is a deficient number, since it is larger than the sum of its proper divisors (12320644875635).

56522553111565 is a wasteful number, since it uses less digits than its factorization.

56522553111565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289332.

The product of its digits is 6750000, while the sum is 52.

The spelling of 56522553111565 in words is "fifty-six trillion, five hundred twenty-two billion, five hundred fifty-three million, one hundred eleven thousand, five hundred sixty-five".