56638135 has 16 divisors (see below), whose sum is σ = 72147456. Its totient is φ = 42536448.

The previous prime is 56638117. The next prime is 56638151. The reversal of 56638135 is 53183665.

It is not a de Polignac number, because 56638135 - 2⁵ = 56638103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56638094 and 56638103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51562 + ... + 52648.

It is an arithmetic number, because the mean of its divisors is an integer number (4509216).

Almost surely, 2^56638135 is an apocalyptic number.

56638135 is a deficient number, since it is larger than the sum of its proper divisors (15509321).

56638135 is a wasteful number, since it uses less digits than its factorization.

56638135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722.

The product of its digits is 64800, while the sum is 37.

The square root of 56638135 is about 7525.8311833312. The cubic root of 56638135 is about 384.0339754914.

The spelling of 56638135 in words is "fifty-six million, six hundred thirty-eight thousand, one hundred thirty-five".