52166685 has 16 divisors (see below), whose sum is σ = 87860160. Its totient is φ = 26357760.

The previous prime is 52166671. The next prime is 52166701. The reversal of 52166685 is 58666125.

It is not a de Polignac number, because 52166685 - 2²¹ = 50069533 is a prime.

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, 91236 + ... + 91805.

It is an arithmetic number, because the mean of its divisors is an integer number (5491260).

Almost surely, 2^52166685 is an apocalyptic number.

It is an amenable number.

52166685 is a deficient number, since it is larger than the sum of its proper divisors (35693475).

52166685 is a wasteful number, since it uses less digits than its factorization.

52166685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183068.

The product of its digits is 86400, while the sum is 39.

The square root of 52166685 is about 7222.6508291624. The cubic root of 52166685 is about 373.6495067307.

The spelling of 52166685 in words is "fifty-two million, one hundred sixty-six thousand, six hundred eighty-five".