52390908 has 24 divisors (see below), whose sum is σ = 135828560. Its totient is φ = 17463600.

The previous prime is 52390901. The next prime is 52390913. The reversal of 52390908 is 80909325.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52390901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242443 + ... + 242658.

Almost surely, 2^52390908 is an apocalyptic number.

It is an amenable number.

52390908 is an abundant number, since it is smaller than the sum of its proper divisors (83437652).

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

52390908 is a wasteful number, since it uses less digits than its factorization.

52390908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485114 (or 485106 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 52390908 is about 7238.1563951050. The cubic root of 52390908 is about 374.1840820285.

The spelling of 52390908 in words is "fifty-two million, three hundred ninety thousand, nine hundred eight".