56311113 has 8 divisors (see below), whose sum is σ = 76312576. Its totient is φ = 36925200.

The previous prime is 56311109. The next prime is 56311141. The reversal of 56311113 is 31111365.

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

It is not a de Polignac number, because 56311113 - 2² = 56311109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56311113.

It is not an unprimeable number, because it can be changed into a prime (56311513) 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, 153673 + ... + 154038.

It is an arithmetic number, because the mean of its divisors is an integer number (9539072).

Almost surely, 2^56311113 is an apocalyptic number.

It is an amenable number.

56311113 is a deficient number, since it is larger than the sum of its proper divisors (20001463).

56311113 is a wasteful number, since it uses less digits than its factorization.

56311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307775.

The product of its digits is 270, while the sum is 21.

The square root of 56311113 is about 7504.0730939937. The cubic root of 56311113 is about 383.2934258812.

Adding to 56311113 its reverse (31111365), we get a palindrome (87422478).

The spelling of 56311113 in words is "fifty-six million, three hundred eleven thousand, one hundred thirteen".