28255502552 has 8 divisors (see below), whose sum is σ = 52979067300. Its totient is φ = 14127751272.

The previous prime is 28255502543. The next prime is 28255502563. The reversal of 28255502552 is 25520555282.

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

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, 1765968902 + ... + 1765968917.

Almost surely, 2^28255502552 is an apocalyptic number.

It is an amenable number.

28255502552 is a deficient number, since it is larger than the sum of its proper divisors (24723564748).

28255502552 is a wasteful number, since it uses less digits than its factorization.

28255502552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531937825 (or 3531937821 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 28255502552 in words is "twenty-eight billion, two hundred fifty-five million, five hundred two thousand, five hundred fifty-two".