56664135 has 24 divisors (see below), whose sum is σ = 107147664. Its totient is φ = 27473280.

The previous prime is 56664121. The next prime is 56664143. The reversal of 56664135 is 53146665.

It is not a de Polignac number, because 56664135 - 2⁵ = 56664103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56664135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56742 + ... + 57731.

It is an arithmetic number, because the mean of its divisors is an integer number (4464486).

Almost surely, 2^56664135 is an apocalyptic number.

56664135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56664135 is a deficient number, since it is larger than the sum of its proper divisors (50483529).

56664135 is a wasteful number, since it uses less digits than its factorization.

56664135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114495 (or 114492 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 56664135 is about 7527.5583690862. The cubic root of 56664135 is about 384.0927306975.

It can be divided in two parts, 5666 and 4135, that added together give a square (9801 = 99²).

The spelling of 56664135 in words is "fifty-six million, six hundred sixty-four thousand, one hundred thirty-five".