450025553 has 6 divisors (see below), whose sum is σ = 461271222. Its totient is φ = 439047680.

The previous prime is 450025531. The next prime is 450025577. The reversal of 450025553 is 355520054.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 77651344 + 372374209 = 8812^2 + 19297^2 .

It is not a de Polignac number, because 450025553 - 2⁶ = 450025489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450045553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132176 + ... + 135537.

It is an arithmetic number, because the mean of its divisors is an integer number (76878537).

Almost surely, 2^450025553 is an apocalyptic number.

It is an amenable number.

450025553 is a deficient number, since it is larger than the sum of its proper divisors (11245669).

450025553 is an equidigital number, since it uses as much as digits as its factorization.

450025553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267795 (or 267754 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 450025553 is about 21213.8057170325. The cubic root of 450025553 is about 766.3239369375.

The spelling of 450025553 in words is "four hundred fifty million, twenty-five thousand, five hundred fifty-three".