56319111 has 32 divisors (see below), whose sum is σ = 88128000. Its totient is φ = 35475264.

The previous prime is 56319091. The next prime is 56319149. The reversal of 56319111 is 11191365.

56319111 is a `hidden beast` number, since 563 + 1 + 91 + 11 = 666.

It is not a de Polignac number, because 56319111 - 2¹⁵ = 56286343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56319191) 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, 54760 + ... + 55778.

It is an arithmetic number, because the mean of its divisors is an integer number (2754000).

Almost surely, 2^56319111 is an apocalyptic number.

56319111 is a deficient number, since it is larger than the sum of its proper divisors (31808889).

56319111 is a wasteful number, since it uses less digits than its factorization.

56319111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1134 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 56319111 is about 7504.6059856597. The cubic root of 56319111 is about 383.3115717115.

The spelling of 56319111 in words is "fifty-six million, three hundred nineteen thousand, one hundred eleven".