550117 has 2 divisors, whose sum is σ = 550118. Its totient is φ = 550116.

The previous prime is 550111. The next prime is 550127. The reversal of 550117 is 711055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519841 + 30276 = 721^2 + 174^2 .

It is a cyclic number.

It is not a de Polignac number, because 550117 - 2¹¹ = 548069 is a prime.

It is a Chen prime.

550117 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 550094 and 550103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275058 + 275059.

It is an arithmetic number, because the mean of its divisors is an integer number (275059).

2⁵⁵⁰¹¹⁷ is an apocalyptic number.

It is an amenable number.

550117 is a deficient number, since it is larger than the sum of its proper divisors (1).

550117 is an equidigital number, since it uses as much as digits as its factorization.

550117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 550117 is about 741.6987258989. The cubic root of 550117 is about 81.9379363808.

The spelling of 550117 in words is "five hundred fifty thousand, one hundred seventeen".