56622904 has 16 divisors (see below), whose sum is σ = 114334920. Its totient is φ = 26133600.

The previous prime is 56622899. The next prime is 56622947. The reversal of 56622904 is 40922665.

It is a self number, because there is not a number n which added to its sum of digits gives 56622904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272122 + ... + 272329.

Almost surely, 2^56622904 is an apocalyptic number.

It is an amenable number.

56622904 is an abundant number, since it is smaller than the sum of its proper divisors (57712016).

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

56622904 is a wasteful number, since it uses less digits than its factorization.

56622904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544470 (or 544466 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 56622904 is about 7524.8192004858. The cubic root of 56622904 is about 383.9995478872. Note that the first 3 decimals are identical.

The spelling of 56622904 in words is "fifty-six million, six hundred twenty-two thousand, nine hundred four".