28550031532 has 48 divisors (see below), whose sum is σ = 55240061184. Its totient is φ = 12803336000.

The previous prime is 28550031527. The next prime is 28550031551. The reversal of 28550031532 is 23513005582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982857 + ... + 1011487.

It is an arithmetic number, because the mean of its divisors is an integer number (1150834608).

Almost surely, 2^28550031532 is an apocalyptic number.

28550031532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28550031532 is a deficient number, since it is larger than the sum of its proper divisors (26690029652).

28550031532 is a wasteful number, since it uses less digits than its factorization.

28550031532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950 (or 28948 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 28550031532 in words is "twenty-eight billion, five hundred fifty million, thirty-one thousand, five hundred thirty-two".