52399368 has 48 divisors (see below), whose sum is σ = 162190080. Its totient is φ = 14971104.

The previous prime is 52399367. The next prime is 52399381. The reversal of 52399368 is 86399325.

52399368 is a `hidden beast` number, since 523 + 99 + 36 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52399367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51480 + ... + 52487.

It is an arithmetic number, because the mean of its divisors is an integer number (3378960).

Almost surely, 2^52399368 is an apocalyptic number.

It is an amenable number.

52399368 is an abundant number, since it is smaller than the sum of its proper divisors (109790712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52399368 is a wasteful number, since it uses less digits than its factorization.

52399368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103986 (or 103979 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 52399368 is about 7238.7407744718. The cubic root of 52399368 is about 374.2042218268.

The spelling of 52399368 in words is "fifty-two million, three hundred ninety-nine thousand, three hundred sixty-eight".