28055255528 has 16 divisors (see below), whose sum is σ = 52704192480. Its totient is φ = 14000804208.

The previous prime is 28055255477. The next prime is 28055255531. The reversal of 28055255528 is 82555255082.

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, 3348500 + ... + 3356867.

It is an arithmetic number, because the mean of its divisors is an integer number (3294012030).

Almost surely, 2^28055255528 is an apocalyptic number.

It is an amenable number.

28055255528 is a deficient number, since it is larger than the sum of its proper divisors (24648936952).

28055255528 is a wasteful number, since it uses less digits than its factorization.

28055255528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705896 (or 6705892 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 47.

The spelling of 28055255528 in words is "twenty-eight billion, fifty-five million, two hundred fifty-five thousand, five hundred twenty-eight".