56563122154 has 32 divisors (see below), whose sum is σ = 106114167936. Its totient is φ = 21968041920.

The previous prime is 56563122149. The next prime is 56563122157. The reversal of 56563122154 is 45122136565.

It is not an unprimeable number, because it can be changed into a prime (56563122157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530509 + ... + 628144.

It is an arithmetic number, because the mean of its divisors is an integer number (3316067748).

Almost surely, 2^56563122154 is an apocalyptic number.

56563122154 is a deficient number, since it is larger than the sum of its proper divisors (49551045782).

56563122154 is a wasteful number, since it uses less digits than its factorization.

56563122154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158990.

The product of its digits is 216000, while the sum is 40.

It can be divided in two parts, 565631 and 22154, that added together give a palindrome (587785).

The spelling of 56563122154 in words is "fifty-six billion, five hundred sixty-three million, one hundred twenty-two thousand, one hundred fifty-four".