56745564526 has 16 divisors (see below), whose sum is σ = 97639745760. Its totient is φ = 24229118880.

The previous prime is 56745564389. The next prime is 56745564527. The reversal of 56745564526 is 62546554765.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56745564527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7530165 + ... + 7537696.

It is an arithmetic number, because the mean of its divisors is an integer number (6102484110).

Almost surely, 2^56745564526 is an apocalyptic number.

56745564526 is a deficient number, since it is larger than the sum of its proper divisors (40894181234).

56745564526 is a wasteful number, since it uses less digits than its factorization.

56745564526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15068139.

The product of its digits is 30240000, while the sum is 55.

The spelling of 56745564526 in words is "fifty-six billion, seven hundred forty-five million, five hundred sixty-four thousand, five hundred twenty-six".