565455 has 32 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 260480.

The previous prime is 565451. The next prime is 565463. The reversal of 565455 is 554565.

It is not a de Polignac number, because 565455 - 2² = 565451 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 565455.

It is not an unprimeable number, because it can be changed into a prime (565451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3721 + ... + 3869.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2⁵⁶⁵⁴⁵⁵ is an apocalyptic number.

565455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

565455 is a deficient number, since it is larger than the sum of its proper divisors (471345).

565455 is a wasteful number, since it uses less digits than its factorization.

565455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 15000, while the sum is 30.

The square root of 565455 is about 751.9674195070. The cubic root of 565455 is about 82.6924798710.

The spelling of 565455 in words is "five hundred sixty-five thousand, four hundred fifty-five".