56672888909 has 32 divisors (see below), whose sum is σ = 71383044096. Its totient is φ = 43795039680.

The previous prime is 56672888893. The next prime is 56672888929. The reversal of 56672888909 is 90988827665.

It is not a de Polignac number, because 56672888909 - 2⁴ = 56672888893 is a prime.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56672888929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2086514 + ... + 2113500.

It is an arithmetic number, because the mean of its divisors is an integer number (2230720128).

Almost surely, 2^56672888909 is an apocalyptic number.

It is an amenable number.

56672888909 is a deficient number, since it is larger than the sum of its proper divisors (14710155187).

56672888909 is a wasteful number, since it uses less digits than its factorization.

56672888909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27545.

The product of its (nonzero) digits is 104509440, while the sum is 68.

The spelling of 56672888909 in words is "fifty-six billion, six hundred seventy-two million, eight hundred eighty-eight thousand, nine hundred nine".