28552528 has 10 divisors (see below), whose sum is σ = 55320554. Its totient is φ = 14276256.

The previous prime is 28552487. The next prime is 28552541. The reversal of 28552528 is 82525582.

It can be written as a sum of positive squares in only one way, i.e., 26501904 + 2050624 = 5148^2 + 1432^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 892251 + ... + 892282.

Almost surely, 2^28552528 is an apocalyptic number.

It is an amenable number.

28552528 is a deficient number, since it is larger than the sum of its proper divisors (26768026).

28552528 is a wasteful number, since it uses less digits than its factorization.

28552528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784541 (or 1784535 counting only the distinct ones).

The product of its digits is 64000, while the sum is 37.

The square root of 28552528 is about 5343.4565591946. The cubic root of 28552528 is about 305.6432826134.

The spelling of 28552528 in words is "twenty-eight million, five hundred fifty-two thousand, five hundred twenty-eight".