56562905 has 48 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 35392896.

The previous prime is 56562901. The next prime is 56562907. The reversal of 56562905 is 50926565.

It is not a de Polignac number, because 56562905 - 2² = 56562901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56562901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134786 + ... + 135204.

It is an arithmetic number, because the mean of its divisors is an integer number (1795500).

Almost surely, 2^56562905 is an apocalyptic number.

It is an amenable number.

56562905 is a deficient number, since it is larger than the sum of its proper divisors (29621095).

56562905 is a wasteful number, since it uses less digits than its factorization.

56562905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 56562905 is about 7520.8314035085. The cubic root of 56562905 is about 383.8638682134.

The spelling of 56562905 in words is "fifty-six million, five hundred sixty-two thousand, nine hundred five".