52207685 has 8 divisors (see below), whose sum is σ = 64809720. Its totient is φ = 40325824.

The previous prime is 52207679. The next prime is 52207693. The reversal of 52207685 is 58670225.

It can be written as a sum of positive squares in 4 ways, for example, as 11464996 + 40742689 = 3386^2 + 6383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52207685 - 2⁴ = 52207669 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179882 + ... + 180171.

It is an arithmetic number, because the mean of its divisors is an integer number (8101215).

Almost surely, 2^52207685 is an apocalyptic number.

It is an amenable number.

52207685 is a deficient number, since it is larger than the sum of its proper divisors (12602035).

52207685 is a wasteful number, since it uses less digits than its factorization.

52207685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360087.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 52207685 is about 7225.4885647962. The cubic root of 52207685 is about 373.7473700706.

The spelling of 52207685 in words is "fifty-two million, two hundred seven thousand, six hundred eighty-five".