806055565 has 16 divisors (see below), whose sum is σ = 1119444480. Its totient is φ = 545725440.

The previous prime is 806055559. The next prime is 806055623. The reversal of 806055565 is 565550608.

It is a happy number.

It is not a de Polignac number, because 806055565 - 2²¹ = 803958413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142996 + ... + 148525.

It is an arithmetic number, because the mean of its divisors is an integer number (69965280).

Almost surely, 2^806055565 is an apocalyptic number.

It is an amenable number.

806055565 is a deficient number, since it is larger than the sum of its proper divisors (313388915).

806055565 is a wasteful number, since it uses less digits than its factorization.

806055565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291612.

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 806055565 is about 28391.1177131158. The cubic root of 806055565 is about 930.6541684117.

The spelling of 806055565 in words is "eight hundred six million, fifty-five thousand, five hundred sixty-five".