555042329 has 2 divisors, whose sum is σ = 555042330. Its totient is φ = 555042328.

The previous prime is 555042311. The next prime is 555042373. The reversal of 555042329 is 923240555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554838025 + 204304 = 23555^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 555042329 - 2²⁰ = 553993753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (555042029) 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, 277521164 + 277521165.

It is an arithmetic number, because the mean of its divisors is an integer number (277521165).

Almost surely, 2^555042329 is an apocalyptic number.

It is an amenable number.

555042329 is a deficient number, since it is larger than the sum of its proper divisors (1).

555042329 is an equidigital number, since it uses as much as digits as its factorization.

555042329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 555042329 is about 23559.3363446426. The cubic root of 555042329 is about 821.8174683453.

The spelling of 555042329 in words is "five hundred fifty-five million, forty-two thousand, three hundred twenty-nine".