52149539 has 16 divisors (see below), whose sum is σ = 58094400. Its totient is φ = 46500480.

The previous prime is 52149491. The next prime is 52149551. The reversal of 52149539 is 93594125.

It is not a de Polignac number, because 52149539 - 2¹⁶ = 52084003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52146539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86762 + ... + 87360.

It is an arithmetic number, because the mean of its divisors is an integer number (3630900).

Almost surely, 2^52149539 is an apocalyptic number.

52149539 is a deficient number, since it is larger than the sum of its proper divisors (5944861).

52149539 is a wasteful number, since it uses less digits than its factorization.

52149539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its digits is 48600, while the sum is 38.

The square root of 52149539 is about 7221.4637712863. The cubic root of 52149539 is about 373.6085655535.

The spelling of 52149539 in words is "fifty-two million, one hundred forty-nine thousand, five hundred thirty-nine".