28552508 has 12 divisors (see below), whose sum is σ = 50671152. Its totient is φ = 14075040.

The previous prime is 28552487. The next prime is 28552541. The reversal of 28552508 is 80525582.

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, 49985 + ... + 50552.

It is an arithmetic number, because the mean of its divisors is an integer number (4222596).

Almost surely, 2^28552508 is an apocalyptic number.

It is an amenable number.

28552508 is a deficient number, since it is larger than the sum of its proper divisors (22118644).

28552508 is a wasteful number, since it uses less digits than its factorization.

28552508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100612 (or 100610 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 28552508 is about 5343.4546877465. The cubic root of 28552508 is about 305.6432112494.

The spelling of 28552508 in words is "twenty-eight million, five hundred fifty-two thousand, five hundred eight".