555580555349 has 2 divisors, whose sum is σ = 555580555350. Its totient is φ = 555580555348.

The previous prime is 555580555331. The next prime is 555580555351. The reversal of 555580555349 is 943555085555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494476176100 + 61104379249 = 703190^2 + 247193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555580555349 is a prime.

Together with 555580555351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555580555319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277790277674 + 277790277675.

It is an arithmetic number, because the mean of its divisors is an integer number (277790277675).

Almost surely, 2^555580555349 is an apocalyptic number.

It is an amenable number.

555580555349 is a deficient number, since it is larger than the sum of its proper divisors (1).

555580555349 is an equidigital number, since it uses as much as digits as its factorization.

555580555349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500000, while the sum is 59.

The spelling of 555580555349 in words is "five hundred fifty-five billion, five hundred eighty million, five hundred fifty-five thousand, three hundred forty-nine".