56574523 has 4 divisors (see below), whose sum is σ = 56624008. Its totient is φ = 56525040.

The previous prime is 56574499. The next prime is 56574527. The reversal of 56574523 is 32547565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56574523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56574527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22986 + ... + 25327.

It is an arithmetic number, because the mean of its divisors is an integer number (14156002).

Almost surely, 2^56574523 is an apocalyptic number.

56574523 is a deficient number, since it is larger than the sum of its proper divisors (49485).

56574523 is a wasteful number, since it uses less digits than its factorization.

56574523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49484.

The product of its digits is 126000, while the sum is 37.

The square root of 56574523 is about 7521.6037518604. The cubic root of 56574523 is about 383.8901482469.

The spelling of 56574523 in words is "fifty-six million, five hundred seventy-four thousand, five hundred twenty-three".