52509928 has 16 divisors (see below), whose sum is σ = 99233280. Its totient is φ = 26047728.

The previous prime is 52509917. The next prime is 52509949. The reversal of 52509928 is 82990525.

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, 24826 + ... + 26857.

It is an arithmetic number, because the mean of its divisors is an integer number (6202080).

Almost surely, 2^52509928 is an apocalyptic number.

It is an amenable number.

52509928 is a deficient number, since it is larger than the sum of its proper divisors (46723352).

52509928 is a wasteful number, since it uses less digits than its factorization.

52509928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51816 (or 51812 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 52509928 is about 7246.3734377963. The cubic root of 52509928 is about 374.4672208971.

The spelling of 52509928 in words is "fifty-two million, five hundred nine thousand, nine hundred twenty-eight".