52168243 has 4 divisors (see below), whose sum is σ = 54913960. Its totient is φ = 49422528.

The previous prime is 52168231. The next prime is 52168247. The reversal of 52168243 is 34286125.

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 52168243 - 2²⁵ = 18613811 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (52168247) 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, 1372830 + ... + 1372867.

It is an arithmetic number, because the mean of its divisors is an integer number (13728490).

Almost surely, 2^52168243 is an apocalyptic number.

52168243 is a deficient number, since it is larger than the sum of its proper divisors (2745717).

52168243 is a wasteful number, since it uses less digits than its factorization.

52168243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745716.

The product of its digits is 11520, while the sum is 31.

The square root of 52168243 is about 7222.7586834948. The cubic root of 52168243 is about 373.6532264746.

The spelling of 52168243 in words is "fifty-two million, one hundred sixty-eight thousand, two hundred forty-three".