450211555 has 16 divisors (see below), whose sum is σ = 569249280. Its totient is φ = 340876512.

The previous prime is 450211547. The next prime is 450211579. The reversal of 450211555 is 555112054.

It is a cyclic number.

It is not a de Polignac number, because 450211555 - 2³ = 450211547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139672 + ... + 142858.

It is an arithmetic number, because the mean of its divisors is an integer number (35578080).

Almost surely, 2^450211555 is an apocalyptic number.

450211555 is a deficient number, since it is larger than the sum of its proper divisors (119037725).

450211555 is a wasteful number, since it uses less digits than its factorization.

450211555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 450211555 is about 21218.1892488497. The cubic root of 450211555 is about 766.4294999445.

The spelling of 450211555 in words is "four hundred fifty million, two hundred eleven thousand, five hundred fifty-five".