52890392 has 16 divisors (see below), whose sum is σ = 99266040. Its totient is φ = 26419456.

The previous prime is 52890391. The next prime is 52890407. The reversal of 52890392 is 29309825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52890391) 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, 7688 + ... + 12840.

Almost surely, 2^52890392 is an apocalyptic number.

It is an amenable number.

52890392 is a deficient number, since it is larger than the sum of its proper divisors (46375648).

52890392 is a wasteful number, since it uses less digits than its factorization.

52890392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442 (or 6438 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 52890392 is about 7272.5780848335. The cubic root of 52890392 is about 375.3694539646.

The spelling of 52890392 in words is "fifty-two million, eight hundred ninety thousand, three hundred ninety-two".