550107289 has 2 divisors, whose sum is σ = 550107290. Its totient is φ = 550107288.

The previous prime is 550107287. The next prime is 550107329. The reversal of 550107289 is 982701055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542517264 + 7590025 = 23292^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 550107289 - 2¹ = 550107287 is a prime.

Together with 550107287, it forms a pair of twin primes.

It is equal to p_28850734 and since 550107289 and 28850734 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (550107287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275053644 + 275053645.

It is an arithmetic number, because the mean of its divisors is an integer number (275053645).

Almost surely, 2^550107289 is an apocalyptic number.

It is an amenable number.

550107289 is a deficient number, since it is larger than the sum of its proper divisors (1).

550107289 is an equidigital number, since it uses as much as digits as its factorization.

550107289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 550107289 is about 23454.3660967420. The cubic root of 550107289 is about 819.3745423852.

The spelling of 550107289 in words is "five hundred fifty million, one hundred seven thousand, two hundred eighty-nine".