52658685 has 12 divisors (see below), whose sum is σ = 91275132. Its totient is φ = 28084608.

The previous prime is 52658653. The next prime is 52658729. The reversal of 52658685 is 58685625.

It can be written as a sum of positive squares in 2 ways, for example, as 29877156 + 22781529 = 5466^2 + 4773^2 .

It is not a de Polignac number, because 52658685 - 2⁵ = 52658653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1170193 = 52658685 / (5 + 2 + 6 + 5 + 8 + 6 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52658685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585052 + ... + 585141.

It is an arithmetic number, because the mean of its divisors is an integer number (7606261).

Almost surely, 2^52658685 is an apocalyptic number.

It is an amenable number.

52658685 is a deficient number, since it is larger than the sum of its proper divisors (38616447).

52658685 is a wasteful number, since it uses less digits than its factorization.

52658685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170204 (or 1170201 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 52658685 is about 7256.6304163847. The cubic root of 52658685 is about 374.8205007604.

The spelling of 52658685 in words is "fifty-two million, six hundred fifty-eight thousand, six hundred eighty-five".