565552255565 has 8 divisors (see below), whose sum is σ = 740359316448. Its totient is φ = 411310731280.

The previous prime is 565552255517. The next prime is 565552255579.

It is a happy number.

565552255565 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 565552255565 - 2⁶ = 565552255501 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 565552255565.

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, 5141384087 + ... + 5141384196.

It is an arithmetic number, because the mean of its divisors is an integer number (92544914556).

Almost surely, 2^565552255565 is an apocalyptic number.

565552255565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

565552255565 is a deficient number, since it is larger than the sum of its proper divisors (174807060883).

565552255565 is a wasteful number, since it uses less digits than its factorization.

565552255565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282768299.

The product of its digits is 56250000, while the sum is 56.

The spelling of 565552255565 in words is "five hundred sixty-five billion, five hundred fifty-two million, two hundred fifty-five thousand, five hundred sixty-five".