808420055 has 4 divisors (see below), whose sum is σ = 970104072. Its totient is φ = 646736040.

The previous prime is 808420049. The next prime is 808420061. The reversal of 808420055 is 550024808.

808420055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (808420049) and next prime (808420061).

It is a de Polignac number, because none of the positive numbers 2^k-808420055 is a prime.

It is a Duffinian number.

It is a congruent 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, 80842001 + ... + 80842010.

It is an arithmetic number, because the mean of its divisors is an integer number (242526018).

Almost surely, 2^808420055 is an apocalyptic number.

808420055 is a deficient number, since it is larger than the sum of its proper divisors (161684017).

808420055 is a wasteful number, since it uses less digits than its factorization.

808420055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161684016.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 808420055 is about 28432.7285887232. The cubic root of 808420055 is about 931.5632762503.

The spelling of 808420055 in words is "eight hundred eight million, four hundred twenty thousand, fifty-five".