56572018 has 8 divisors (see below), whose sum is σ = 84910320. Its totient is φ = 28268580.

The previous prime is 56572013. The next prime is 56572037. The reversal of 56572018 is 81027565.

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

It is not an unprimeable number, because it can be changed into a prime (56572013) 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, 4188 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (10613790).

Almost surely, 2^56572018 is an apocalyptic number.

56572018 is a deficient number, since it is larger than the sum of its proper divisors (28338302).

56572018 is a wasteful number, since it uses less digits than its factorization.

56572018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17432.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 56572018 is about 7521.4372296789. The cubic root of 56572018 is about 383.8844822158.

The spelling of 56572018 in words is "fifty-six million, five hundred seventy-two thousand, eighteen".