56620544 has 20 divisors (see below), whose sum is σ = 113131524. Its totient is φ = 28310016.

The previous prime is 56620541. The next prime is 56620573. The reversal of 56620544 is 44502665.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 56620544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56620541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54782 + ... + 55805.

Almost surely, 2^56620544 is an apocalyptic number.

It is an amenable number.

56620544 is a deficient number, since it is larger than the sum of its proper divisors (56510980).

56620544 is an equidigital number, since it uses as much as digits as its factorization.

56620544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110605 (or 110589 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 56620544 is about 7524.6623844529. The cubic root of 56620544 is about 383.9942128757.

The spelling of 56620544 in words is "fifty-six million, six hundred twenty thousand, five hundred forty-four".