450520555 has 4 divisors (see below), whose sum is σ = 540624672. Its totient is φ = 360416440.

The previous prime is 450520549. The next prime is 450520559. The reversal of 450520555 is 555025054.

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

It is not a de Polignac number, because 450520555 - 2²¹ = 448423403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450520559) 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, 45052051 + ... + 45052060.

It is an arithmetic number, because the mean of its divisors is an integer number (135156168).

Almost surely, 2^450520555 is an apocalyptic number.

450520555 is a deficient number, since it is larger than the sum of its proper divisors (90104117).

450520555 is an equidigital number, since it uses as much as digits as its factorization.

450520555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90104116.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 450520555 is about 21225.4694883293. The cubic root of 450520555 is about 766.6048046073.

The spelling of 450520555 in words is "four hundred fifty million, five hundred twenty thousand, five hundred fifty-five".