56551113 has 6 divisors (see below), whose sum is σ = 81684954. Its totient is φ = 37700736.

The previous prime is 56551111. The next prime is 56551141. The reversal of 56551113 is 31115565.

56551113 is a `hidden beast` number, since 5 + 655 + 1 + 1 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 1375929 = 7428^2 + 1173^2 .

It is not a de Polignac number, because 56551113 - 2¹ = 56551111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56551111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3141720 + ... + 3141737.

It is an arithmetic number, because the mean of its divisors is an integer number (13614159).

Almost surely, 2^56551113 is an apocalyptic number.

It is an amenable number.

56551113 is a deficient number, since it is larger than the sum of its proper divisors (25133841).

56551113 is a wasteful number, since it uses less digits than its factorization.

56551113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283463 (or 6283460 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 56551113 is about 7520.0474067655. The cubic root of 56551113 is about 383.8371909100.

Adding to 56551113 its reverse (31115565), we get a palindrome (87666678).

The spelling of 56551113 in words is "fifty-six million, five hundred fifty-one thousand, one hundred thirteen".