808056055581 has 8 divisors (see below), whose sum is σ = 1093488791904. Its totient is φ = 530663678160.

The previous prime is 808056055553. The next prime is 808056055627. The reversal of 808056055581 is 185550650808.

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 808056055581 - 2⁹ = 808056055069 is a prime.

It is a super-2 number, since 2×808056055581² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808056055481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2010089490 + ... + 2010089891.

It is an arithmetic number, because the mean of its divisors is an integer number (136686098988).

Almost surely, 2^808056055581 is an apocalyptic number.

It is an amenable number.

808056055581 is a deficient number, since it is larger than the sum of its proper divisors (285432736323).

808056055581 is a wasteful number, since it uses less digits than its factorization.

808056055581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020179451.

The product of its (nonzero) digits is 1920000, while the sum is 51.

The spelling of 808056055581 in words is "eight hundred eight billion, fifty-six million, fifty-five thousand, five hundred eighty-one".