52124239 has 4 divisors (see below), whose sum is σ = 54867640. Its totient is φ = 49380840.

The previous prime is 52124221. The next prime is 52124291. The reversal of 52124239 is 93242125.

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

It is a cyclic number.

It is not a de Polignac number, because 52124239 - 2¹⁵ = 52091471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52134239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371672 + ... + 1371709.

It is an arithmetic number, because the mean of its divisors is an integer number (13716910).

Almost surely, 2^52124239 is an apocalyptic number.

52124239 is a deficient number, since it is larger than the sum of its proper divisors (2743401).

52124239 is a wasteful number, since it uses less digits than its factorization.

52124239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743400.

The product of its digits is 4320, while the sum is 28.

The square root of 52124239 is about 7219.7118363547. The cubic root of 52124239 is about 373.5481378817.

The spelling of 52124239 in words is "fifty-two million, one hundred twenty-four thousand, two hundred thirty-nine".