53886720 has 72 divisors (see below), whose sum is σ = 172112976. Its totient is φ = 14368768.

The previous prime is 53886713. The next prime is 53886731. The reversal of 53886720 is 2768835.

It is a congruent number.

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, 3177 + ... + 10856.

It is an arithmetic number, because the mean of its divisors is an integer number (2390458).

Almost surely, 2^53886720 is an apocalyptic number.

It is an amenable number.

53886720 is an abundant number, since it is smaller than the sum of its proper divisors (118226256).

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

53886720 is a wasteful number, since it uses less digits than its factorization.

53886720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14057 (or 14043 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 53886720 is about 7340.7574541051. The cubic root of 53886720 is about 377.7118264981.

The spelling of 53886720 in words is "fifty-three million, eight hundred eighty-six thousand, seven hundred twenty".