53727720 has 64 divisors (see below), whose sum is σ = 166752000. Its totient is φ = 13832448.

The previous prime is 53727719. The next prime is 53727733. The reversal of 53727720 is 2772735.

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, 4240 + ... + 11199.

It is an arithmetic number, because the mean of its divisors is an integer number (2605500).

Almost surely, 2^53727720 is an apocalyptic number.

It is an amenable number.

53727720 is an abundant number, since it is smaller than the sum of its proper divisors (113024280).

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

53727720 is a wasteful number, since it uses less digits than its factorization.

53727720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15482 (or 15478 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 53727720 is about 7329.9195084257. The cubic root of 53727720 is about 377.3399640345.

The spelling of 53727720 in words is "fifty-three million, seven hundred twenty-seven thousand, seven hundred twenty".