28083551552 has 56 divisors (see below), whose sum is σ = 65242927680. Its totient is φ = 11742243840.

The previous prime is 28083551549. The next prime is 28083551567. The reversal of 28083551552 is 25515538082.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746102 + ... + 782837.

It is an arithmetic number, because the mean of its divisors is an integer number (1165052280).

Almost surely, 2^28083551552 is an apocalyptic number.

It is an amenable number.

28083551552 is an abundant number, since it is smaller than the sum of its proper divisors (37159376128).

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

28083551552 is a wasteful number, since it uses less digits than its factorization.

28083551552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528999 (or 1528989 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 44.

The spelling of 28083551552 in words is "twenty-eight billion, eighty-three million, five hundred fifty-one thousand, five hundred fifty-two".