550168 has 8 divisors (see below), whose sum is σ = 1031580. Its totient is φ = 275080.

The previous prime is 550163. The next prime is 550169. The reversal of 550168 is 861055.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550163) by changing a digit.

550168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 34378 + ... + 34393.

2⁵⁵⁰¹⁶⁸ is an apocalyptic number.

It is an amenable number.

550168 is a deficient number, since it is larger than the sum of its proper divisors (481412).

550168 is a wasteful number, since it uses less digits than its factorization.

550168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68777 (or 68773 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 550168 is about 741.7331056384. The cubic root of 550168 is about 81.9404683910.

Adding to 550168 its product of nonzero digits (1200), we get a cube (551368 = 82³).

The spelling of 550168 in words is "five hundred fifty thousand, one hundred sixty-eight".