56155050568 has 16 divisors (see below), whose sum is σ = 107277337980. Its totient is φ = 27547760448.

The previous prime is 56155050557. The next prime is 56155050593. The reversal of 56155050568 is 86505055165.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56073292804 + 81757764 = 236798^2 + 9042^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66220155 + ... + 66221002.

Almost surely, 2^56155050568 is an apocalyptic number.

It is an amenable number.

56155050568 is a deficient number, since it is larger than the sum of its proper divisors (51122287412).

56155050568 is a wasteful number, since it uses less digits than its factorization.

56155050568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132441216 (or 132441212 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 46.

The spelling of 56155050568 in words is "fifty-six billion, one hundred fifty-five million, fifty thousand, five hundred sixty-eight".