56507523 has 8 divisors (see below), whose sum is σ = 75495168. Its totient is φ = 37595784.

The previous prime is 56507519. The next prime is 56507537. The reversal of 56507523 is 32570565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56507523 - 2² = 56507519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56507543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17215 + ... + 20232.

It is an arithmetic number, because the mean of its divisors is an integer number (9436896).

Almost surely, 2^56507523 is an apocalyptic number.

56507523 is a deficient number, since it is larger than the sum of its proper divisors (18987645).

56507523 is a wasteful number, since it uses less digits than its factorization.

56507523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37953.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 56507523 is about 7517.1485950459. The cubic root of 56507523 is about 383.7385440811.

The spelling of 56507523 in words is "fifty-six million, five hundred seven thousand, five hundred twenty-three".