52690028 has 12 divisors (see below), whose sum is σ = 92363712. Its totient is φ = 26300400.

The previous prime is 52690019. The next prime is 52690051. The reversal of 52690028 is 82009625.

It is a junction number, because it is equal to n+sod(n) for n = 52689976 and 52690003.

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, 8423 + ... + 13278.

It is an arithmetic number, because the mean of its divisors is an integer number (7696976).

Almost surely, 2^52690028 is an apocalyptic number.

It is an amenable number.

52690028 is a deficient number, since it is larger than the sum of its proper divisors (39673684).

52690028 is a wasteful number, since it uses less digits than its factorization.

52690028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22312 (or 22310 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 52690028 is about 7258.7897062802. The cubic root of 52690028 is about 374.8948517048.

The spelling of 52690028 in words is "fifty-two million, six hundred ninety thousand, twenty-eight".