52132539 has 4 divisors (see below), whose sum is σ = 69510056. Its totient is φ = 34755024.

The previous prime is 52132529. The next prime is 52132547. The reversal of 52132539 is 93523125.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52132539 - 2²¹ = 50035387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52132529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8688754 + ... + 8688759.

It is an arithmetic number, because the mean of its divisors is an integer number (17377514).

Almost surely, 2^52132539 is an apocalyptic number.

52132539 is a deficient number, since it is larger than the sum of its proper divisors (17377517).

52132539 is a wasteful number, since it uses less digits than its factorization.

52132539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17377516.

The product of its digits is 8100, while the sum is 30.

The square root of 52132539 is about 7220.2866286596. The cubic root of 52132539 is about 373.5679641343.

The spelling of 52132539 in words is "fifty-two million, one hundred thirty-two thousand, five hundred thirty-nine".