28576552 has 8 divisors (see below), whose sum is σ = 53581050. Its totient is φ = 14288272.

The previous prime is 28576531. The next prime is 28576567. The reversal of 28576552 is 25567582.

It can be written as a sum of positive squares in only one way, i.e., 19660356 + 8916196 = 4434^2 + 2986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1786027 + ... + 1786042.

Almost surely, 2^28576552 is an apocalyptic number.

It is an amenable number.

28576552 is a deficient number, since it is larger than the sum of its proper divisors (25004498).

28576552 is a wasteful number, since it uses less digits than its factorization.

28576552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572075 (or 3572071 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 28576552 is about 5345.7040696245. The cubic root of 28576552 is about 305.7289809888.

It can be divided in two parts, 2857 and 6552, that added together give a square (9409 = 97²).

The spelling of 28576552 in words is "twenty-eight million, five hundred seventy-six thousand, five hundred fifty-two".