56022920 has 32 divisors (see below), whose sum is σ = 126273600. Its totient is φ = 22369728.

The previous prime is 56022907. The next prime is 56022959. The reversal of 56022920 is 2922065.

It is a self number, because there is not a number n which added to its sum of digits gives 56022920.

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, 34691 + ... + 36269.

It is an arithmetic number, because the mean of its divisors is an integer number (3946050).

Almost surely, 2^56022920 is an apocalyptic number.

It is an amenable number.

56022920 is an abundant number, since it is smaller than the sum of its proper divisors (70250680).

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

56022920 is a wasteful number, since it uses less digits than its factorization.

56022920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2473 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 56022920 is about 7484.8460238004. The cubic root of 56022920 is about 382.6384251288.

Adding to 56022920 its reverse (2922065), we get a palindrome (58944985).

The spelling of 56022920 in words is "fifty-six million, twenty-two thousand, nine hundred twenty".