52088239 has 4 divisors (see below), whose sum is σ = 59529424. Its totient is φ = 44647056.

The previous prime is 52088237. The next prime is 52088243. The reversal of 52088239 is 93288025.

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 52088239 - 2¹ = 52088237 is a prime.

It is a super-2 number, since 2×52088239² = 5426369284242242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52088198 and 52088207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52088237) 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, 3720582 + ... + 3720595.

It is an arithmetic number, because the mean of its divisors is an integer number (14882356).

Almost surely, 2^52088239 is an apocalyptic number.

52088239 is a deficient number, since it is larger than the sum of its proper divisors (7441185).

52088239 is an equidigital number, since it uses as much as digits as its factorization.

52088239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441184.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 52088239 is about 7217.2182314241. The cubic root of 52088239 is about 373.4621201265.

The spelling of 52088239 in words is "fifty-two million, eighty-eight thousand, two hundred thirty-nine".