565245055 has 4 divisors (see below), whose sum is σ = 678294072. Its totient is φ = 452196040.

The previous prime is 565245047. The next prime is 565245073. The reversal of 565245055 is 550542565.

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

It is not a de Polignac number, because 565245055 - 2³ = 565245047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56524501 + ... + 56524510.

It is an arithmetic number, because the mean of its divisors is an integer number (169573518).

Almost surely, 2^565245055 is an apocalyptic number.

565245055 is a deficient number, since it is larger than the sum of its proper divisors (113049017).

565245055 is a wasteful number, since it uses less digits than its factorization.

565245055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113049016.

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 565245055 is about 23774.8828598586. The cubic root of 565245055 is about 826.8224444300.

The spelling of 565245055 in words is "five hundred sixty-five million, two hundred forty-five thousand, fifty-five".