56533113 has 96 divisors (see below), whose sum is σ = 111081600. Its totient is φ = 28086912.

The previous prime is 56533097. The next prime is 56533117. The reversal of 56533113 is 31133565.

56533113 is a `hidden beast` number, since 5 + 653 + 3 + 1 + 1 + 3 = 666.

It is not a de Polignac number, because 56533113 - 2⁴ = 56533097 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (56533117) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 326695 + ... + 326867.

It is an arithmetic number, because the mean of its divisors is an integer number (1157100).

Almost surely, 2^56533113 is an apocalyptic number.

It is an amenable number.

56533113 is a deficient number, since it is larger than the sum of its proper divisors (54548487).

56533113 is a wasteful number, since it uses less digits than its factorization.

56533113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 215 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 56533113 is about 7518.8505105501. The cubic root of 56533113 is about 383.7964619586.

Adding to 56533113 its reverse (31133565), we get a palindrome (87666678).

The spelling of 56533113 in words is "fifty-six million, five hundred thirty-three thousand, one hundred thirteen".