28550554355 has 4 divisors (see below), whose sum is σ = 34260665232. Its totient is φ = 22840443480.

The previous prime is 28550554343. The next prime is 28550554379. The reversal of 28550554355 is 55345505582.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 28550554355 - 2⁴ = 28550554339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855055431 + ... + 2855055440.

It is an arithmetic number, because the mean of its divisors is an integer number (8565166308).

Almost surely, 2^28550554355 is an apocalyptic number.

28550554355 is a deficient number, since it is larger than the sum of its proper divisors (5710110877).

28550554355 is an equidigital number, since it uses as much as digits as its factorization.

28550554355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710110876.

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 28550554355 in words is "twenty-eight billion, five hundred fifty million, five hundred fifty-four thousand, three hundred fifty-five".