52636665 has 16 divisors (see below), whose sum is σ = 84369600. Its totient is φ = 28022592.

The previous prime is 52636609. The next prime is 52636679. The reversal of 52636665 is 56663625.

It is not a de Polignac number, because 52636665 - 2⁹ = 52636153 is a prime.

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, 6451 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (5273100).

Almost surely, 2^52636665 is an apocalyptic number.

It is an amenable number.

52636665 is a deficient number, since it is larger than the sum of its proper divisors (31732935).

52636665 is a wasteful number, since it uses less digits than its factorization.

52636665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296.

The product of its digits is 194400, while the sum is 39.

The square root of 52636665 is about 7255.1130246193. The cubic root of 52636665 is about 374.7682479165.

It can be divided in two parts, 52636 and 665, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 52636665 in words is "fifty-two million, six hundred thirty-six thousand, six hundred sixty-five".