56507551068 has 24 divisors (see below), whose sum is σ = 136104209920. Its totient is φ = 18228242160.

The previous prime is 56507551049. The next prime is 56507551151. The reversal of 56507551068 is 86015570565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75950638 + ... + 75951381.

Almost surely, 2^56507551068 is an apocalyptic number.

It is an amenable number.

56507551068 is an abundant number, since it is smaller than the sum of its proper divisors (79596658852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56507551068 is a wasteful number, since it uses less digits than its factorization.

56507551068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151902057 (or 151902055 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 56507551068 in words is "fifty-six billion, five hundred seven million, five hundred fifty-one thousand, sixty-eight".