56122915072 has 72 divisors (see below), whose sum is σ = 130754647296. Its totient is φ = 23540883456.

The previous prime is 56122915063. The next prime is 56122915097. The reversal of 56122915072 is 27051922165.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248953 + ... + 417400.

It is an arithmetic number, because the mean of its divisors is an integer number (1816036768).

Almost surely, 2^56122915072 is an apocalyptic number.

It is an amenable number.

56122915072 is an abundant number, since it is smaller than the sum of its proper divisors (74631732224).

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

56122915072 is an equidigital number, since it uses as much as digits as its factorization.

56122915072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666423 (or 666409 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 56122915072 in words is "fifty-six billion, one hundred twenty-two million, nine hundred fifteen thousand, seventy-two".