28553788088500 has 48 divisors (see below), whose sum is σ = 62620234749072. Its totient is φ = 11374123008000.

The previous prime is 28553788088471. The next prime is 28553788088537. The reversal of 28553788088500 is 588088735582.

It can be written as a sum of positive squares in 8 ways, for example, as 3029730134544 + 25524057953956 = 1740612^2 + 5052134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118359949 + ... + 118600948.

It is an arithmetic number, because the mean of its divisors is an integer number (1304588223939).

Almost surely, 2^{28553788088500} is an apocalyptic number.

28553788088500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28553788088500 is an abundant number, since it is smaller than the sum of its proper divisors (34066446660572).

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

28553788088500 is a wasteful number, since it uses less digits than its factorization.

28553788088500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236961157 (or 236961145 counting only the distinct ones).

The product of its (nonzero) digits is 172032000, while the sum is 67.

The spelling of 28553788088500 in words is "twenty-eight trillion, five hundred fifty-three billion, seven hundred eighty-eight million, eighty-eight thousand, five hundred".