56874720922 has 4 divisors (see below), whose sum is σ = 85312081386. Its totient is φ = 28437360460.

The previous prime is 56874720911. The next prime is 56874720941. The reversal of 56874720922 is 22902747865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22902747865 = 5 ⋅4580549573.

It can be written as a sum of positive squares in only one way, i.e., 49351066801 + 7523654121 = 222151^2 + 86739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56874720922.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14218680229 + ... + 14218680232.

Almost surely, 2^56874720922 is an apocalyptic number.

56874720922 is a deficient number, since it is larger than the sum of its proper divisors (28437360464).

56874720922 is a wasteful number, since it uses less digits than its factorization.

56874720922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28437360463.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 56874720922 in words is "fifty-six billion, eight hundred seventy-four million, seven hundred twenty thousand, nine hundred twenty-two".