800565055 has 8 divisors (see below), whose sum is σ = 962280144. Its totient is φ = 639384000.

The previous prime is 800565047. The next prime is 800565067. The reversal of 800565055 is 550565008.

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

It is not a de Polignac number, because 800565055 - 2³ = 800565047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 800565055.

It is a congruent 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, 130201 + ... + 136210.

It is an arithmetic number, because the mean of its divisors is an integer number (120285018).

Almost surely, 2^800565055 is an apocalyptic number.

800565055 is a deficient number, since it is larger than the sum of its proper divisors (161715089).

800565055 is a wasteful number, since it uses less digits than its factorization.

800565055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267017.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 800565055 is about 28294.2583398116. The cubic root of 800565055 is about 928.5362780326.

The spelling of 800565055 in words is "eight hundred million, five hundred sixty-five thousand, fifty-five".