28543552 has 28 divisors (see below), whose sum is σ = 59106816. Its totient is φ = 13650560.

The previous prime is 28543549. The next prime is 28543577. The reversal of 28543552 is 25534582.

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, 8224 + ... + 11167.

Almost surely, 2^28543552 is an apocalyptic number.

It is an amenable number.

28543552 is an abundant number, since it is smaller than the sum of its proper divisors (30563264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28543552 is a wasteful number, since it uses less digits than its factorization.

28543552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19426 (or 19416 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 28543552 is about 5342.6165874036. The cubic root of 28543552 is about 305.6112511048.

The spelling of 28543552 in words is "twenty-eight million, five hundred forty-three thousand, five hundred fifty-two".