56172210752 has 42 divisors (see below), whose sum is σ = 129665387862. Its totient is φ = 24073803264.

The previous prime is 56172210739. The next prime is 56172210763. The reversal of 56172210752 is 25701227165.

It can be written as a sum of positive squares in only one way, i.e., 40282095616 + 15890115136 = 200704^2 + 126056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8952893 + ... + 8959164.

Almost surely, 2^56172210752 is an apocalyptic number.

It is an amenable number.

56172210752 is an abundant number, since it is smaller than the sum of its proper divisors (73493177110).

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

56172210752 is a wasteful number, since it uses less digits than its factorization.

56172210752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17912083 (or 17912066 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 56172210752 in words is "fifty-six billion, one hundred seventy-two million, two hundred ten thousand, seven hundred fifty-two".