455563 has 4 divisors (see below), whose sum is σ = 479560. Its totient is φ = 431568.

The previous prime is 455557. The next prime is 455573. The reversal of 455563 is 365554.

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

It is a cyclic number.

It is not a de Polignac number, because 455563 - 2⁵ = 455531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (455513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11970 + ... + 12007.

It is an arithmetic number, because the mean of its divisors is an integer number (119890).

2⁴⁵⁵⁵⁶³ is an apocalyptic number.

455563 is a deficient number, since it is larger than the sum of its proper divisors (23997).

455563 is a wasteful number, since it uses less digits than its factorization.

455563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23996.

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

The square root of 455563 is about 674.9540725116. The cubic root of 455563 is about 76.9454271208.

Subtracting from 455563 its sum of digits (28), we obtain a triangular number (455535 = T₉₅₄).

Subtracting from 455563 its reverse (365554), we obtain a palindrome (90009).

The spelling of 455563 in words is "four hundred fifty-five thousand, five hundred sixty-three".