56022940 has 24 divisors (see below), whose sum is σ = 122764320. Its totient is φ = 21434688.

The previous prime is 56022907. The next prime is 56022959. The reversal of 56022940 is 4922065.

It is a junction number, because it is equal to n+sod(n) for n = 56022899 and 56022908.

It is a congruent 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, 60435 + ... + 61354.

It is an arithmetic number, because the mean of its divisors is an integer number (5115180).

Almost surely, 2^56022940 is an apocalyptic number.

It is an amenable number.

56022940 is an abundant number, since it is smaller than the sum of its proper divisors (66741380).

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

56022940 is a wasteful number, since it uses less digits than its factorization.

56022940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121821 (or 121819 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 56022940 is about 7484.8473598331. The cubic root of 56022940 is about 382.6384706624.

The spelling of 56022940 in words is "fifty-six million, twenty-two thousand, nine hundred forty".