56520567 has 12 divisors (see below), whose sum is σ = 81891784. Its totient is φ = 37564560.

The previous prime is 56520557. The next prime is 56520589. The reversal of 56520567 is 76502565.

It is not a de Polignac number, because 56520567 - 2⁴ = 56520551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56520517) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6508 + ... + 12465.

Almost surely, 2^56520567 is an apocalyptic number.

56520567 is a deficient number, since it is larger than the sum of its proper divisors (25371217).

56520567 is a wasteful number, since it uses less digits than its factorization.

56520567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19310 (or 19307 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 56520567 is about 7518.0161611957. The cubic root of 56520567 is about 383.7680687662.

The spelling of 56520567 in words is "fifty-six million, five hundred twenty thousand, five hundred sixty-seven".