450122553 has 12 divisors (see below), whose sum is σ = 650695188. Its totient is φ = 299842560.

The previous prime is 450122551. The next prime is 450122579. The reversal of 450122553 is 355221054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 322274304 + 127848249 = 17952^2 + 11307^2 .

It is not a de Polignac number, because 450122553 - 2¹ = 450122551 is a prime.

It is a super-2 number, since 2×450122553² = 405220625438475618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450122551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7608 + ... + 30953.

It is an arithmetic number, because the mean of its divisors is an integer number (54224599).

Almost surely, 2^450122553 is an apocalyptic number.

It is an amenable number.

450122553 is a deficient number, since it is larger than the sum of its proper divisors (200572635).

450122553 is a wasteful number, since it uses less digits than its factorization.

450122553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39864 (or 39861 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 450122553 is about 21216.0918408646. The cubic root of 450122553 is about 766.3789916496.

The spelling of 450122553 in words is "four hundred fifty million, one hundred twenty-two thousand, five hundred fifty-three".