52568239 has 4 divisors (see below), whose sum is σ = 52587360. Its totient is φ = 52549120.

The previous prime is 52568237. The next prime is 52568251. The reversal of 52568239 is 93286525.

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 52568239 - 2¹ = 52568237 is a prime.

It is a super-2 number, since 2×52568239² = 5526839503122242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52568237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4567 + ... + 11224.

It is an arithmetic number, because the mean of its divisors is an integer number (13146840).

Almost surely, 2^52568239 is an apocalyptic number.

52568239 is a deficient number, since it is larger than the sum of its proper divisors (19121).

52568239 is a wasteful number, since it uses less digits than its factorization.

52568239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19120.

The product of its digits is 129600, while the sum is 40.

The square root of 52568239 is about 7250.3957823004. The cubic root of 52568239 is about 374.6057818722.

The spelling of 52568239 in words is "fifty-two million, five hundred sixty-eight thousand, two hundred thirty-nine".