450555534 has 112 divisors (see below), whose sum is σ = 1190985264. Its totient is φ = 125971200.

The previous prime is 450555509. The next prime is 450555541. The reversal of 450555534 is 435555054.

450555534 is a `hidden beast` number, since 4 + 50 + 55 + 553 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 207414 + ... + 209574.

It is an arithmetic number, because the mean of its divisors is an integer number (10633797).

Almost surely, 2^450555534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450555534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595492632).

450555534 is an abundant number, since it is smaller than the sum of its proper divisors (740429730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450555534 is a wasteful number, since it uses less digits than its factorization.

450555534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2190 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 450555534 is about 21226.2934588213. The cubic root of 450555534 is about 766.6246441575.

The spelling of 450555534 in words is "four hundred fifty million, five hundred fifty-five thousand, five hundred thirty-four".