550605577 has 2 divisors, whose sum is σ = 550605578. Its totient is φ = 550605576.

The previous prime is 550605563. The next prime is 550605623. The reversal of 550605577 is 775506055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544335561 + 6270016 = 23331^2 + 2504^2 .

It is a cyclic number.

It is not a de Polignac number, because 550605577 - 2⁷ = 550605449 is a prime.

It is not a weakly prime, because it can be changed into another prime (550605677) 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, 275302788 + 275302789.

It is an arithmetic number, because the mean of its divisors is an integer number (275302789).

Almost surely, 2^550605577 is an apocalyptic number.

It is an amenable number.

550605577 is a deficient number, since it is larger than the sum of its proper divisors (1).

550605577 is an equidigital number, since it uses as much as digits as its factorization.

550605577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 550605577 is about 23464.9861921971. The cubic root of 550605577 is about 819.6218646181.

The spelling of 550605577 in words is "five hundred fifty million, six hundred five thousand, five hundred seventy-seven".