455569 has 4 divisors (see below), whose sum is σ = 460096. Its totient is φ = 451044.

The previous prime is 455557. The next prime is 455573. The reversal of 455569 is 965554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 455569 - 2⁵ = 455537 is a prime.

It is a super-2 number, since 2×455569² = 415086227522, which contains 22 as substring.

It is a Duffinian number.

455569 is a lucky number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (455579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (115024).

2⁴⁵⁵⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

455569 is a deficient number, since it is larger than the sum of its proper divisors (4527).

455569 is a wasteful number, since it uses less digits than its factorization.

455569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526.

The product of its digits is 27000, while the sum is 34.

The square root of 455569 is about 674.9585172438. The cubic root of 455569 is about 76.9457649230.

Subtracting from 455569 its sum of digits (34), we obtain a triangular number (455535 = T₉₅₄).

It can be divided in two parts, 4555 and 69, that added together give a square (4624 = 68²).

The spelling of 455569 in words is "four hundred fifty-five thousand, five hundred sixty-nine".