53681872 has 20 divisors (see below), whose sum is σ = 104430816. Its totient is φ = 26732000.

The previous prime is 53681819. The next prime is 53681899. The reversal of 53681872 is 27818635.

53681872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668 + ... + 10699.

Almost surely, 2^53681872 is an apocalyptic number.

It is an amenable number.

53681872 is a deficient number, since it is larger than the sum of its proper divisors (50748944).

53681872 is a wasteful number, since it uses less digits than its factorization.

53681872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13626 (or 13620 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 53681872 is about 7326.7913850471. The cubic root of 53681872 is about 377.2326004240.

The spelling of 53681872 in words is "fifty-three million, six hundred eighty-one thousand, eight hundred seventy-two".