565566055 has 8 divisors (see below), whose sum is σ = 679580352. Its totient is φ = 451852128.

The previous prime is 565566037. The next prime is 565566059. The reversal of 565566055 is 550665565.

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 565566055 - 2²¹ = 563468903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565566059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70927 + ... + 78496.

It is an arithmetic number, because the mean of its divisors is an integer number (84947544).

Almost surely, 2^565566055 is an apocalyptic number.

565566055 is a deficient number, since it is larger than the sum of its proper divisors (114014297).

565566055 is a wasteful number, since it uses less digits than its factorization.

565566055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150185.

The product of its (nonzero) digits is 675000, while the sum is 43.

The square root of 565566055 is about 23781.6327235957. The cubic root of 565566055 is about 826.9789309995.

The spelling of 565566055 in words is "five hundred sixty-five million, five hundred sixty-six thousand, fifty-five".