555555050549 has 2 divisors, whose sum is σ = 555555050550. Its totient is φ = 555555050548.

The previous prime is 555555050537. The next prime is 555555050581. The reversal of 555555050549 is 945050555555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334104808324 + 221450242225 = 578018^2 + 470585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555555050549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555555050549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555555050509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277777525274 + 277777525275.

It is an arithmetic number, because the mean of its divisors is an integer number (277777525275).

Almost surely, 2^555555050549 is an apocalyptic number.

It is an amenable number.

555555050549 is a deficient number, since it is larger than the sum of its proper divisors (1).

555555050549 is an equidigital number, since it uses as much as digits as its factorization.

555555050549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14062500, while the sum is 53.

The spelling of 555555050549 in words is "five hundred fifty-five billion, five hundred fifty-five million, fifty thousand, five hundred forty-nine".