550505077 has 2 divisors, whose sum is σ = 550505078. Its totient is φ = 550505076.

The previous prime is 550505071. The next prime is 550505083. The reversal of 550505077 is 770505055.

It is a balanced prime because it is at equal distance from previous prime (550505071) and next prime (550505083).

It can be written as a sum of positive squares in only one way, i.e., 512977201 + 37527876 = 22649^2 + 6126^2 .

It is a cyclic number.

It is not a de Polignac number, because 550505077 - 2¹¹ = 550503029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550505071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275252538 + 275252539.

It is an arithmetic number, because the mean of its divisors is an integer number (275252539).

Almost surely, 2^550505077 is an apocalyptic number.

It is an amenable number.

550505077 is a deficient number, since it is larger than the sum of its proper divisors (1).

550505077 is an equidigital number, since it uses as much as digits as its factorization.

550505077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30625, while the sum is 34.

The square root of 550505077 is about 23462.8446058870. The cubic root of 550505077 is about 819.5719940677.

The spelling of 550505077 in words is "five hundred fifty million, five hundred five thousand, seventy-seven".