53330688 has 108 divisors (see below), whose sum is σ = 156243360. Its totient is φ = 17491968.

The previous prime is 53330659. The next prime is 53330713. The reversal of 53330688 is 88603335.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181870 + ... + 182162.

Almost surely, 2^53330688 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 53330688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78121680).

53330688 is an abundant number, since it is smaller than the sum of its proper divisors (102912672).

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

53330688 is a wasteful number, since it uses less digits than its factorization.

53330688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 53330688 is about 7302.7863175640. The cubic root of 53330688 is about 376.4081880646.

The spelling of 53330688 in words is "fifty-three million, three hundred thirty thousand, six hundred eighty-eight".