28064552 has 32 divisors (see below), whose sum is σ = 57024000. Its totient is φ = 12897024.

The previous prime is 28064521. The next prime is 28064563. The reversal of 28064552 is 25546082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3449 + ... + 8247.

It is an arithmetic number, because the mean of its divisors is an integer number (1782000).

Almost surely, 2^28064552 is an apocalyptic number.

It is an amenable number.

28064552 is an abundant number, since it is smaller than the sum of its proper divisors (28959448).

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

28064552 is a wasteful number, since it uses less digits than its factorization.

28064552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865 (or 4861 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 28064552 is about 5297.5987012985. The cubic root of 28064552 is about 303.8920727219.

The spelling of 28064552 in words is "twenty-eight million, sixty-four thousand, five hundred fifty-two".