550329149 has 2 divisors, whose sum is σ = 550329150. Its totient is φ = 550329148.

The previous prime is 550329107. The next prime is 550329181. The reversal of 550329149 is 941923055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537405124 + 12924025 = 23182^2 + 3595^2 .

It is a cyclic number.

It is not a de Polignac number, because 550329149 - 2⁸ = 550328893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550229149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275164574 + 275164575.

It is an arithmetic number, because the mean of its divisors is an integer number (275164575).

Almost surely, 2^550329149 is an apocalyptic number.

It is an amenable number.

550329149 is a deficient number, since it is larger than the sum of its proper divisors (1).

550329149 is an equidigital number, since it uses as much as digits as its factorization.

550329149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 550329149 is about 23459.0952297824. The cubic root of 550329149 is about 819.4846796904.

The spelling of 550329149 in words is "five hundred fifty million, three hundred twenty-nine thousand, one hundred forty-nine".