2805552805 has 8 divisors (see below), whose sum is σ = 3672723744. Its totient is φ = 2040402000.

The previous prime is 2805552781. The next prime is 2805552817. The reversal of 2805552805 is 5082555082.

It is a happy number.

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

It is not a de Polignac number, because 2805552805 - 2⁵ = 2805552773 is a prime.

It is a super-2 number, since 2×2805552805² = 15742253083286736050, which contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25504971 + ... + 25505080.

It is an arithmetic number, because the mean of its divisors is an integer number (459090468).

Almost surely, 2^2805552805 is an apocalyptic number.

It is an amenable number.

2805552805 is a deficient number, since it is larger than the sum of its proper divisors (867170939).

2805552805 is a wasteful number, since it uses less digits than its factorization.

2805552805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010067.

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 2805552805 is about 52967.4693090014. The cubic root of 2805552805 is about 1410.3908520267.

The spelling of 2805552805 in words is "two billion, eight hundred five million, five hundred fifty-two thousand, eight hundred five".