28055025055 has 4 divisors (see below), whose sum is σ = 33666030072. Its totient is φ = 22444020040.

The previous prime is 28055025029. The next prime is 28055025067. The reversal of 28055025055 is 55052055082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55052055082 = 2 ⋅27526027541.

It is not a de Polignac number, because 28055025055 - 2²³ = 28046636447 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2805502501 + ... + 2805502510.

It is an arithmetic number, because the mean of its divisors is an integer number (8416507518).

Almost surely, 2^28055025055 is an apocalyptic number.

28055025055 is a deficient number, since it is larger than the sum of its proper divisors (5611005017).

28055025055 is an equidigital number, since it uses as much as digits as its factorization.

28055025055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611005016.

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

The spelling of 28055025055 in words is "twenty-eight billion, fifty-five million, twenty-five thousand, fifty-five".