28052800055 has 8 divisors (see below), whose sum is σ = 38472411552. Its totient is φ = 19236205728.

The previous prime is 28052800031. The next prime is 28052800073. The reversal of 28052800055 is 55000825082.

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 28052800055 - 2⁶ = 28052799991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 801508573 = 28052800055 / (2 + 8 + 0 + 5 + 2 + 8 + 0 + 0 + 0 + 5 + 5).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28052799988 and 28052800024.

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, 400754252 + ... + 400754321.

It is an arithmetic number, because the mean of its divisors is an integer number (4809051444).

Almost surely, 2^28052800055 is an apocalyptic number.

28052800055 is a deficient number, since it is larger than the sum of its proper divisors (10419611497).

28052800055 is an equidigital number, since it uses as much as digits as its factorization.

28052800055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801508585.

The product of its (nonzero) digits is 32000, while the sum is 35.

The spelling of 28052800055 in words is "twenty-eight billion, fifty-two million, eight hundred thousand, fifty-five".