550273 has 4 divisors (see below), whose sum is σ = 582660. Its totient is φ = 517888.

The previous prime is 550267. The next prime is 550279. The reversal of 550273 is 372055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 372055 = 5 ⋅74411.

It is an interprime number because it is at equal distance from previous prime (550267) and next prime (550279).

It can be written as a sum of positive squares in 2 ways, for example, as 199809 + 350464 = 447^2 + 592^2 .

It is not a de Polignac number, because 550273 - 2⁵ = 550241 is a prime.

It is a Duffinian number.

550273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (550279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16168 + ... + 16201.

It is an arithmetic number, because the mean of its divisors is an integer number (145665).

2⁵⁵⁰²⁷³ is an apocalyptic number.

It is an amenable number.

550273 is a deficient number, since it is larger than the sum of its proper divisors (32387).

550273 is a wasteful number, since it uses less digits than its factorization.

550273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32386.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 550273 is about 741.8038824379. The cubic root of 550273 is about 81.9456808606.

The spelling of 550273 in words is "five hundred fifty thousand, two hundred seventy-three".