56022540 has 48 divisors (see below), whose sum is σ = 179273472. Its totient is φ = 12805056.

The previous prime is 56022529. The next prime is 56022541. The reversal of 56022540 is 4522065.

56022540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56022540.

It is not an unprimeable number, because it can be changed into a prime (56022541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66274 + ... + 67113.

It is an arithmetic number, because the mean of its divisors is an integer number (3734864).

Almost surely, 2^56022540 is an apocalyptic number.

It is an amenable number.

56022540 is an abundant number, since it is smaller than the sum of its proper divisors (123250932).

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

56022540 is a wasteful number, since it uses less digits than its factorization.

56022540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133406 (or 133404 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 56022540 is about 7484.8206391336. The cubic root of 56022540 is about 382.6375599893.

The spelling of 56022540 in words is "fifty-six million, twenty-two thousand, five hundred forty".