53875239 has 16 divisors (see below), whose sum is σ = 78726144. Its totient is φ = 32500800.

The previous prime is 53875231. The next prime is 53875247. The reversal of 53875239 is 93257835.

It is an interprime number because it is at equal distance from previous prime (53875231) and next prime (53875247).

It is not a de Polignac number, because 53875239 - 2³ = 53875231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53875239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53875231) 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, 3699 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (4920384).

Almost surely, 2^53875239 is an apocalyptic number.

53875239 is a deficient number, since it is larger than the sum of its proper divisors (24850905).

53875239 is a wasteful number, since it uses less digits than its factorization.

53875239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558.

The product of its digits is 226800, while the sum is 42.

The square root of 53875239 is about 7339.9754086782. The cubic root of 53875239 is about 377.6849997432.

The spelling of 53875239 in words is "fifty-three million, eight hundred seventy-five thousand, two hundred thirty-nine".