52489399 has 4 divisors (see below), whose sum is σ = 52602264. Its totient is φ = 52376536.

The previous prime is 52489379. The next prime is 52489403. The reversal of 52489399 is 99398425.

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 52489399 - 2¹⁵ = 52456631 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 (52489379) 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, 55732 + ... + 56665.

It is an arithmetic number, because the mean of its divisors is an integer number (13150566).

Almost surely, 2^52489399 is an apocalyptic number.

52489399 is a deficient number, since it is larger than the sum of its proper divisors (112865).

52489399 is a wasteful number, since it uses less digits than its factorization.

52489399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112864.

The product of its digits is 699840, while the sum is 49.

The square root of 52489399 is about 7244.9567976628. The cubic root of 52489399 is about 374.4184146370.

The spelling of 52489399 in words is "fifty-two million, four hundred eighty-nine thousand, three hundred ninety-nine".