450315550 has 48 divisors (see below), whose sum is σ = 889376112. Its totient is φ = 169049600.

The previous prime is 450315539. The next prime is 450315571. The reversal of 450315550 is 55513054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478080 + ... + 479020.

It is an arithmetic number, because the mean of its divisors is an integer number (18528669).

Almost surely, 2^450315550 is an apocalyptic number.

450315550 is a deficient number, since it is larger than the sum of its proper divisors (439060562).

450315550 is a wasteful number, since it uses less digits than its factorization.

450315550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 450315550 is about 21220.6397170302. The cubic root of 450315550 is about 766.4885082771.

The spelling of 450315550 in words is "four hundred fifty million, three hundred fifteen thousand, five hundred fifty".