550140709 has 2 divisors, whose sum is σ = 550140710. Its totient is φ = 550140708.

The previous prime is 550140677. The next prime is 550140719. The reversal of 550140709 is 907041055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543915684 + 6225025 = 23322^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 550140709 - 2⁵ = 550140677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550140719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275070354 + 275070355.

It is an arithmetic number, because the mean of its divisors is an integer number (275070355).

Almost surely, 2^550140709 is an apocalyptic number.

It is an amenable number.

550140709 is a deficient number, since it is larger than the sum of its proper divisors (1).

550140709 is an equidigital number, since it uses as much as digits as its factorization.

550140709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 550140709 is about 23455.0785332303. The cubic root of 550140709 is about 819.3911348714.

The spelling of 550140709 in words is "five hundred fifty million, one hundred forty thousand, seven hundred nine".