563455 has 4 divisors (see below), whose sum is σ = 676152. Its totient is φ = 450760.

The previous prime is 563449. The next prime is 563467. The reversal of 563455 is 554365.

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

It is not a de Polignac number, because 563455 - 2³ = 563447 is a prime.

It is a super-3 number, since 3×563455³ = 536659678333264125, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56341 + ... + 56350.

It is an arithmetic number, because the mean of its divisors is an integer number (169038).

2⁵⁶³⁴⁵⁵ is an apocalyptic number.

563455 is a deficient number, since it is larger than the sum of its proper divisors (112697).

563455 is a wasteful number, since it uses less digits than its factorization.

563455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112696.

The product of its digits is 9000, while the sum is 28.

The square root of 563455 is about 750.6363966662. The cubic root of 563455 is about 82.5948709653.

Subtracting from 563455 its product of digits (9000), we obtain a palindrome (554455).

The spelling of 563455 in words is "five hundred sixty-three thousand, four hundred fifty-five".