28250505055 has 8 divisors (see below), whose sum is σ = 35894759472. Its totient is φ = 21270968448.

The previous prime is 28250505037. The next prime is 28250505061. The reversal of 28250505055 is 55050505282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28250505055 - 2⁹ = 28250504543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166179357 + ... + 166179526.

It is an arithmetic number, because the mean of its divisors is an integer number (4486844934).

Almost surely, 2^28250505055 is an apocalyptic number.

28250505055 is a deficient number, since it is larger than the sum of its proper divisors (7644254417).

28250505055 is a wasteful number, since it uses less digits than its factorization.

28250505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332358905.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 28250505055 in words is "twenty-eight billion, two hundred fifty million, five hundred five thousand, fifty-five".