2800805055 has 16 divisors (see below), whose sum is σ = 4486013280. Its totient is φ = 1492187648.

The previous prime is 2800805027. The next prime is 2800805071. The reversal of 2800805055 is 5505080082.

It is a cyclic number.

It is not a de Polignac number, because 2800805055 - 2¹¹ = 2800803007 is a prime.

It is a super-2 number, since 2×2800805055² = 15689017912227106050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 83670 + ... + 112259.

It is an arithmetic number, because the mean of its divisors is an integer number (280375830).

Almost surely, 2^2800805055 is an apocalyptic number.

2800805055 is a deficient number, since it is larger than the sum of its proper divisors (1685208225).

2800805055 is a wasteful number, since it uses less digits than its factorization.

2800805055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196890.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 2800805055 is about 52922.6327292965. The cubic root of 2800805055 is about 1409.5948159231.

The spelling of 2800805055 in words is "two billion, eight hundred million, eight hundred five thousand, fifty-five".