53923728 has 40 divisors (see below), whose sum is σ = 147499488. Its totient is φ = 16916992.

The previous prime is 53923697. The next prime is 53923739. The reversal of 53923728 is 82732935.

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, 32226 + ... + 33857.

Almost surely, 2^53923728 is an apocalyptic number.

It is an amenable number.

53923728 is an abundant number, since it is smaller than the sum of its proper divisors (93575760).

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

53923728 is a wasteful number, since it uses less digits than its factorization.

53923728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66111 (or 66105 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 53923728 is about 7343.2777422620. The cubic root of 53923728 is about 377.7982742692.

The spelling of 53923728 in words is "fifty-three million, nine hundred twenty-three thousand, seven hundred twenty-eight".