56390872722 has 16 divisors (see below), whose sum is σ = 112984232832. Its totient is φ = 18763209680.

The previous prime is 56390872721. The next prime is 56390872763. The reversal of 56390872722 is 22727809365.

It is not an unprimeable number, because it can be changed into a prime (56390872721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8433354 + ... + 8440037.

It is an arithmetic number, because the mean of its divisors is an integer number (7061514552).

Almost surely, 2^56390872722 is an apocalyptic number.

56390872722 is an abundant number, since it is smaller than the sum of its proper divisors (56593360110).

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

56390872722 is a wasteful number, since it uses less digits than its factorization.

56390872722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16873953.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 56390872722 in words is "fifty-six billion, three hundred ninety million, eight hundred seventy-two thousand, seven hundred twenty-two".