56570707 has 2 divisors, whose sum is σ = 56570708. Its totient is φ = 56570706.

The previous prime is 56570687. The next prime is 56570719. The reversal of 56570707 is 70707565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56570707 is a prime.

It is not a weakly prime, because it can be changed into another prime (56573707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28285353 + 28285354.

It is an arithmetic number, because the mean of its divisors is an integer number (28285354).

Almost surely, 2^56570707 is an apocalyptic number.

56570707 is a deficient number, since it is larger than the sum of its proper divisors (1).

56570707 is an equidigital number, since it uses as much as digits as its factorization.

56570707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 56570707 is about 7521.3500782772. The cubic root of 56570707 is about 383.8815168131.

The spelling of 56570707 in words is "fifty-six million, five hundred seventy thousand, seven hundred seven".