53908920 has 96 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 13268736.

The previous prime is 53908919. The next prime is 53908957. The reversal of 53908920 is 2980935.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1080 + ... + 10439.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^53908920 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 53908920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94348800).

53908920 is an abundant number, since it is smaller than the sum of its proper divisors (134788680).

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

53908920 is a wasteful number, since it uses less digits than its factorization.

53908920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11549 (or 11542 counting only the distinct ones).

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

The square root of 53908920 is about 7342.2694039377. The cubic root of 53908920 is about 377.7636886967.

The spelling of 53908920 in words is "fifty-three million, nine hundred eight thousand, nine hundred twenty".