56051113 has 4 divisors (see below), whose sum is σ = 57983940. Its totient is φ = 54118288.

The previous prime is 56051111. The next prime is 56051117. The reversal of 56051113 is 31115065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35366809 + 20684304 = 5947^2 + 4548^2 .

It is a cyclic number.

It is not a de Polignac number, because 56051113 - 2¹ = 56051111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56051111) 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, 966370 + ... + 966427.

It is an arithmetic number, because the mean of its divisors is an integer number (14495985).

Almost surely, 2^56051113 is an apocalyptic number.

It is an amenable number.

56051113 is a deficient number, since it is larger than the sum of its proper divisors (1932827).

56051113 is a wasteful number, since it uses less digits than its factorization.

56051113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932826.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 56051113 is about 7486.7291255928. The cubic root of 56051113 is about 382.7026007437.

Adding to 56051113 its reverse (31115065), we get a palindrome (87166178).

The spelling of 56051113 in words is "fifty-six million, fifty-one thousand, one hundred thirteen".