450499550 has 12 divisors (see below), whose sum is σ = 837929256. Its totient is φ = 180199800.

The previous prime is 450499549. The next prime is 450499561. The reversal of 450499550 is 55994054.

It is a junction number, because it is equal to n+sod(n) for n = 450499498 and 450499507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4504946 + ... + 4505045.

It is an arithmetic number, because the mean of its divisors is an integer number (69827438).

Almost surely, 2^450499550 is an apocalyptic number.

450499550 is a deficient number, since it is larger than the sum of its proper divisors (387429706).

450499550 is a wasteful number, since it uses less digits than its factorization.

450499550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010003 (or 9009998 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 450499550 is about 21224.9746760744. The cubic root of 450499550 is about 766.5928904013.

The spelling of 450499550 in words is "four hundred fifty million, four hundred ninety-nine thousand, five hundred fifty".