53728784 has 20 divisors (see below), whose sum is σ = 104244816. Its totient is φ = 26826912.

The previous prime is 53728757. The next prime is 53728853. The reversal of 53728784 is 48782735.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12227 + ... + 16029.

Almost surely, 2^53728784 is an apocalyptic number.

It is an amenable number.

53728784 is a deficient number, since it is larger than the sum of its proper divisors (50516032).

53728784 is a wasteful number, since it uses less digits than its factorization.

53728784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694 (or 4688 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 53728784 is about 7329.9920873081. The cubic root of 53728784 is about 377.3424549093.

The spelling of 53728784 in words is "fifty-three million, seven hundred twenty-eight thousand, seven hundred eighty-four".