53990608 has 40 divisors (see below), whose sum is σ = 120206592. Its totient is φ = 23011968.

The previous prime is 53990603. The next prime is 53990617. The reversal of 53990608 is 80609935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53990603) 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, 20841 + ... + 23287.

Almost surely, 2^53990608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53990608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60103296).

53990608 is an abundant number, since it is smaller than the sum of its proper divisors (66215984).

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

53990608 is a wasteful number, since it uses less digits than its factorization.

53990608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 53990608 is about 7347.8301559032. The cubic root of 53990608 is about 377.9544004044.

The spelling of 53990608 in words is "fifty-three million, nine hundred ninety thousand, six hundred eight".