52399339 has 4 divisors (see below), whose sum is σ = 52417456. Its totient is φ = 52381224.

The previous prime is 52399337. The next prime is 52399367. The reversal of 52399339 is 93399325.

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 52399339 - 2¹ = 52399337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52399295 and 52399304.

It is not an unprimeable number, because it can be changed into a prime (52399337) 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, 3639 + ... + 10864.

It is an arithmetic number, because the mean of its divisors is an integer number (13104364).

Almost surely, 2^52399339 is an apocalyptic number.

52399339 is a deficient number, since it is larger than the sum of its proper divisors (18117).

52399339 is a wasteful number, since it uses less digits than its factorization.

52399339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18116.

The product of its digits is 196830, while the sum is 43.

The square root of 52399339 is about 7238.7387713607. The cubic root of 52399339 is about 374.2041527934.

The spelling of 52399339 in words is "fifty-two million, three hundred ninety-nine thousand, three hundred thirty-nine".