805655055 has 8 divisors (see below), whose sum is σ = 1289048112. Its totient is φ = 429682688.

The previous prime is 805655033. The next prime is 805655099. The reversal of 805655055 is 550556508.

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

It is a cyclic number.

It is not a de Polignac number, because 805655055 - 2⁵ = 805655023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26855154 + ... + 26855183.

It is an arithmetic number, because the mean of its divisors is an integer number (161131014).

Almost surely, 2^805655055 is an apocalyptic number.

805655055 is a deficient number, since it is larger than the sum of its proper divisors (483393057).

805655055 is a wasteful number, since it uses less digits than its factorization.

805655055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53710345.

The product of its (nonzero) digits is 150000, while the sum is 39.

The square root of 805655055 is about 28384.0633983227. The cubic root of 805655055 is about 930.5000028393.

The spelling of 805655055 in words is "eight hundred five million, six hundred fifty-five thousand, fifty-five".