56051720222 has 32 divisors (see below), whose sum is σ = 92426400000. Its totient is φ = 25375603968.

The previous prime is 56051720191. The next prime is 56051720233. The reversal of 56051720222 is 22202715065.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065953 + ... + 1117299.

It is an arithmetic number, because the mean of its divisors is an integer number (2888325000).

Almost surely, 2^56051720222 is an apocalyptic number.

56051720222 is a deficient number, since it is larger than the sum of its proper divisors (36374679778).

56051720222 is a wasteful number, since it uses less digits than its factorization.

56051720222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52640.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 56051720222 in words is "fifty-six billion, fifty-one million, seven hundred twenty thousand, two hundred twenty-two".