56865135 has 32 divisors (see below), whose sum is σ = 93950208. Its totient is φ = 29352960.

The previous prime is 56865113. The next prime is 56865161. The reversal of 56865135 is 53156865.

It is not a de Polignac number, because 56865135 - 2⁸ = 56864879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56865093 and 56865102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84159 + ... + 84831.

It is an arithmetic number, because the mean of its divisors is an integer number (2935944).

Almost surely, 2^56865135 is an apocalyptic number.

56865135 is a deficient number, since it is larger than the sum of its proper divisors (37085073).

56865135 is a wasteful number, since it uses less digits than its factorization.

56865135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855.

The product of its digits is 108000, while the sum is 39.

The square root of 56865135 is about 7540.8974930044. The cubic root of 56865135 is about 384.5463482193.

It can be divided in two parts, 568 and 65135, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 56865135 in words is "fifty-six million, eight hundred sixty-five thousand, one hundred thirty-five".