56624620 has 96 divisors (see below), whose sum is σ = 141740928. Its totient is φ = 18788352.

The previous prime is 56624609. The next prime is 56624627. The reversal of 56624620 is 2642665.

It is not an unprimeable number, because it can be changed into a prime (56624627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101382 + ... + 101938.

It is an arithmetic number, because the mean of its divisors is an integer number (1476468).

Almost surely, 2^56624620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56624620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70870464).

56624620 is an abundant number, since it is smaller than the sum of its proper divisors (85116308).

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

56624620 is a wasteful number, since it uses less digits than its factorization.

56624620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 56624620 is about 7524.9332222951. The cubic root of 56624620 is about 384.0034269804.

The spelling of 56624620 in words is "fifty-six million, six hundred twenty-four thousand, six hundred twenty".