53115680 has 24 divisors (see below), whose sum is σ = 125486172. Its totient is φ = 21246208.

The previous prime is 53115661. The next prime is 53115691. The reversal of 53115680 is 8651135.

It can be written as a sum of positive squares in 2 ways, for example, as 52591504 + 524176 = 7252^2 + 724^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165827 + ... + 166146.

Almost surely, 2^53115680 is an apocalyptic number.

It is an amenable number.

53115680 is an abundant number, since it is smaller than the sum of its proper divisors (72370492).

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

53115680 is a wasteful number, since it uses less digits than its factorization.

53115680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331988 (or 331980 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 53115680 is about 7288.0504937878. The cubic root of 53115680 is about 375.9016643402.

The spelling of 53115680 in words is "fifty-three million, one hundred fifteen thousand, six hundred eighty".