56622905 has 16 divisors (see below), whose sum is σ = 68871168. Its totient is φ = 44688000.

The previous prime is 56622899. The next prime is 56622947. The reversal of 56622905 is 50922665.

It is not a de Polignac number, because 56622905 - 2⁴ = 56622889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201365 + ... + 201645.

It is an arithmetic number, because the mean of its divisors is an integer number (4304448).

Almost surely, 2^56622905 is an apocalyptic number.

It is an amenable number.

56622905 is a deficient number, since it is larger than the sum of its proper divisors (12248263).

56622905 is a wasteful number, since it uses less digits than its factorization.

56622905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 56622905 is about 7524.8192669326. The cubic root of 56622905 is about 383.9995501478. Note that the first 3 decimals are identical.

The spelling of 56622905 in words is "fifty-six million, six hundred twenty-two thousand, nine hundred five".