53056320 has 112 divisors (see below), whose sum is σ = 178417728. Its totient is φ = 13312000.

The previous prime is 53056319. The next prime is 53056351. The reversal of 53056320 is 2365035.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14695 + ... + 17945.

Almost surely, 2^53056320 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 53056320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89208864).

53056320 is an abundant number, since it is smaller than the sum of its proper divisors (125361408).

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

53056320 is a wasteful number, since it uses less digits than its factorization.

53056320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 53056320 is about 7283.9769357131. The cubic root of 53056320 is about 375.7615811595.

The spelling of 53056320 in words is "fifty-three million, fifty-six thousand, three hundred twenty".