53686872 has 48 divisors (see below), whose sum is σ = 145743000. Its totient is φ = 17853696.

The previous prime is 53686849. The next prime is 53686907. The reversal of 53686872 is 27868635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52704 + ... + 53712.

Almost surely, 2^53686872 is an apocalyptic number.

It is an amenable number.

53686872 is an abundant number, since it is smaller than the sum of its proper divisors (92056128).

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

53686872 is a wasteful number, since it uses less digits than its factorization.

53686872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760 (or 1753 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 53686872 is about 7327.1325905841. The cubic root of 53686872 is about 377.2443120402.

The spelling of 53686872 in words is "fifty-three million, six hundred eighty-six thousand, eight hundred seventy-two".