550767439 has 2 divisors, whose sum is σ = 550767440. Its totient is φ = 550767438.

The previous prime is 550767431. The next prime is 550767487. The reversal of 550767439 is 934767055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550767439 - 2³ = 550767431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550767431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275383719 + 275383720.

It is an arithmetic number, because the mean of its divisors is an integer number (275383720).

Almost surely, 2^550767439 is an apocalyptic number.

550767439 is a deficient number, since it is larger than the sum of its proper divisors (1).

550767439 is an equidigital number, since it uses as much as digits as its factorization.

550767439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 46.

The square root of 550767439 is about 23468.4349499493. The cubic root of 550767439 is about 819.7021717332.

The spelling of 550767439 in words is "five hundred fifty million, seven hundred sixty-seven thousand, four hundred thirty-nine".