52856728 has 16 divisors (see below), whose sum is σ = 99410760. Its totient is φ = 26347200.

The previous prime is 52856701. The next prime is 52856753. The reversal of 52856728 is 82765825.

It is a congruent 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, 7333 + ... + 12628.

Almost surely, 2^52856728 is an apocalyptic number.

It is an amenable number.

52856728 is a deficient number, since it is larger than the sum of its proper divisors (46554032).

52856728 is a wasteful number, since it uses less digits than its factorization.

52856728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20298 (or 20294 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 52856728 is about 7270.2632689608. The cubic root of 52856728 is about 375.2897979140.

The spelling of 52856728 in words is "fifty-two million, eight hundred fifty-six thousand, seven hundred twenty-eight".