52752285 has 12 divisors (see below), whose sum is σ = 91437372. Its totient is φ = 28134528.

The previous prime is 52752263. The next prime is 52752289. The reversal of 52752285 is 58225725.

52752285 is a `hidden beast` number, since 52 + 7 + 522 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16499844 + 36252441 = 4062^2 + 6021^2 .

It is not a de Polignac number, because 52752285 - 2⁵ = 52752253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52752289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586092 + ... + 586181.

It is an arithmetic number, because the mean of its divisors is an integer number (7619781).

Almost surely, 2^52752285 is an apocalyptic number.

It is an amenable number.

52752285 is a deficient number, since it is larger than the sum of its proper divisors (38685087).

52752285 is a wasteful number, since it uses less digits than its factorization.

52752285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172284 (or 1172281 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 52752285 is about 7263.0768273508. The cubic root of 52752285 is about 375.0424485281.

The spelling of 52752285 in words is "fifty-two million, seven hundred fifty-two thousand, two hundred eighty-five".