52570539 has 20 divisors (see below), whose sum is σ = 89751024. Its totient is φ = 30039984.

The previous prime is 52570537. The next prime is 52570543. The reversal of 52570539 is 93507525.

52570539 is a `hidden beast` number, since 52 + 5 + 70 + 539 = 666.

It is not a de Polignac number, because 52570539 - 2¹ = 52570537 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52570537) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45792 + ... + 46925.

Almost surely, 2^52570539 is an apocalyptic number.

52570539 is a deficient number, since it is larger than the sum of its proper divisors (37180485).

52570539 is an equidigital number, since it uses as much as digits as its factorization.

52570539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92736 (or 92727 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 52570539 is about 7250.5543925965. The cubic root of 52570539 is about 374.6112451250.

The spelling of 52570539 in words is "fifty-two million, five hundred seventy thousand, five hundred thirty-nine".