450459550 has 12 divisors (see below), whose sum is σ = 837854856. Its totient is φ = 180183800.

The previous prime is 450459521. The next prime is 450459551. The reversal of 450459550 is 55954054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450459551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4504546 + ... + 4504645.

It is an arithmetic number, because the mean of its divisors is an integer number (69821238).

Almost surely, 2^450459550 is an apocalyptic number.

450459550 is a deficient number, since it is larger than the sum of its proper divisors (387395306).

450459550 is a wasteful number, since it uses less digits than its factorization.

450459550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009203 (or 9009198 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 450459550 is about 21224.0323689915. The cubic root of 450459550 is about 766.5702010533.

The spelling of 450459550 in words is "four hundred fifty million, four hundred fifty-nine thousand, five hundred fifty".