550450 has 24 divisors (see below), whose sum is σ = 1043460. Its totient is φ = 216000.

The previous prime is 550447. The next prime is 550457. The reversal of 550450 is 54055.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 408321 + 142129 = 639^2 + 377^2 .

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (550457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4996 + ... + 5104.

2⁵⁵⁰⁴⁵⁰ is an apocalyptic number.

550450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550450 is a deficient number, since it is larger than the sum of its proper divisors (493010).

550450 is a wasteful number, since it uses less digits than its factorization.

550450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 217 counting only the distinct ones).

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

The square root of 550450 is about 741.9231766160. The cubic root of 550450 is about 81.9544660943.

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

The spelling of 550450 in words is "five hundred fifty thousand, four hundred fifty".