53455760 has 40 divisors (see below), whose sum is σ = 124593216. Its totient is φ = 21329280.

The previous prime is 53455757. The next prime is 53455771. The reversal of 53455760 is 6755435.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 53455760.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54797 + ... + 55763.

Almost surely, 2^53455760 is an apocalyptic number.

It is an amenable number.

53455760 is an abundant number, since it is smaller than the sum of its proper divisors (71137456).

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

53455760 is a wasteful number, since it uses less digits than its factorization.

53455760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 53455760 is about 7311.3446095776. The cubic root of 53455760 is about 376.7022112105.

The spelling of 53455760 in words is "fifty-three million, four hundred fifty-five thousand, seven hundred sixty".