450553 has 4 divisors (see below), whose sum is σ = 459108. Its totient is φ = 442000.

The previous prime is 450533. The next prime is 450557. The reversal of 450553 is 355054.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 284089 = 408^2 + 533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450553 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450557) 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, 4198 + ... + 4303.

It is an arithmetic number, because the mean of its divisors is an integer number (114777).

2⁴⁵⁰⁵⁵³ is an apocalyptic number.

It is an amenable number.

450553 is a deficient number, since it is larger than the sum of its proper divisors (8555).

450553 is an equidigital number, since it uses as much as digits as its factorization.

450553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 450553 is about 671.2324485601. The cubic root of 450553 is about 76.6623206946.

The spelling of 450553 in words is "four hundred fifty thousand, five hundred fifty-three".