450550 has 12 divisors (see below), whose sum is σ = 838116. Its totient is φ = 180200.

The previous prime is 450533. The next prime is 450557. The reversal of 450550 is 55054.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450557) by changing a digit.

450550 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4456 + ... + 4555.

It is an arithmetic number, because the mean of its divisors is an integer number (69843).

2⁴⁵⁰⁵⁵⁰ is an apocalyptic number.

450550 is a deficient number, since it is larger than the sum of its proper divisors (387566).

450550 is a wasteful number, since it uses less digits than its factorization.

450550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023 (or 9018 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 450550 is about 671.2302138611. The cubic root of 450550 is about 76.6621505426.

It can be divided in two parts, 450 and 550, that added together give a cube (1000 = 10³).

The spelling of 450550 in words is "four hundred fifty thousand, five hundred fifty".