2805505555 has 8 divisors (see below), whose sum is σ = 3366925344. Its totient is φ = 2244192000.

The previous prime is 2805505543. The next prime is 2805505567. The reversal of 2805505555 is 5555055082.

2805505555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2805505543) and next prime (2805505567).

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

It is a de Polignac number, because none of the positive numbers 2^k-2805505555 is a prime.

It is a super-2 number, since 2×2805505555² = 15741722838271716050, which contains 22 as substring.

It is a Duffinian 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, 53475 + ... + 92035.

It is an arithmetic number, because the mean of its divisors is an integer number (420865668).

Almost surely, 2^2805505555 is an apocalyptic number.

2805505555 is a deficient number, since it is larger than the sum of its proper divisors (561419789).

2805505555 is a wasteful number, since it uses less digits than its factorization.

2805505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53117.

The product of its (nonzero) digits is 250000, while the sum is 40.

The square root of 2805505555 is about 52967.0232786401. The cubic root of 2805505555 is about 1410.3829342358.

The spelling of 2805505555 in words is "two billion, eight hundred five million, five hundred five thousand, five hundred fifty-five".