56931611 has 8 divisors (see below), whose sum is σ = 64249200. Its totient is φ = 49971040.

The previous prime is 56931599. The next prime is 56931629. The reversal of 56931611 is 11613965.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56931611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56931631) 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, 88916 + ... + 89553.

It is an arithmetic number, because the mean of its divisors is an integer number (8031150).

Almost surely, 2^56931611 is an apocalyptic number.

56931611 is a deficient number, since it is larger than the sum of its proper divisors (7317589).

56931611 is a wasteful number, since it uses less digits than its factorization.

56931611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178509.

The product of its digits is 4860, while the sum is 32.

The square root of 56931611 is about 7545.3039037536. The cubic root of 56931611 is about 384.6961362416.

The spelling of 56931611 in words is "fifty-six million, nine hundred thirty-one thousand, six hundred eleven".