550789 has 2 divisors, whose sum is σ = 550790. Its totient is φ = 550788.

The previous prime is 550763. The next prime is 550801. The reversal of 550789 is 987055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550564 + 225 = 742^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 550789 - 2⁵ = 550757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275394 + 275395.

It is an arithmetic number, because the mean of its divisors is an integer number (275395).

2⁵⁵⁰⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

550789 is a deficient number, since it is larger than the sum of its proper divisors (1).

550789 is an equidigital number, since it uses as much as digits as its factorization.

550789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 550789 is about 742.1516017634. The cubic root of 550789 is about 81.9712867940.

The spelling of 550789 in words is "five hundred fifty thousand, seven hundred eighty-nine".