56563113 has 4 divisors (see below), whose sum is σ = 75417488. Its totient is φ = 37708740.

The previous prime is 56563109. The next prime is 56563139. The reversal of 56563113 is 31136565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56563113 - 2² = 56563109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56563153) 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, 9427183 + ... + 9427188.

It is an arithmetic number, because the mean of its divisors is an integer number (18854372).

Almost surely, 2^56563113 is an apocalyptic number.

It is an amenable number.

56563113 is a deficient number, since it is larger than the sum of its proper divisors (18854375).

56563113 is a wasteful number, since it uses less digits than its factorization.

56563113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18854374.

The product of its digits is 8100, while the sum is 30.

The square root of 56563113 is about 7520.8452317542. The cubic root of 56563113 is about 383.8643387431.

Adding to 56563113 its reverse (31136565), we get a palindrome (87699678).

The spelling of 56563113 in words is "fifty-six million, five hundred sixty-three thousand, one hundred thirteen".