555348249991 has 2 divisors, whose sum is σ = 555348249992. Its totient is φ = 555348249990.

The previous prime is 555348249913. The next prime is 555348250021. The reversal of 555348249991 is 199942843555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555348249991 - 2¹⁵ = 555348217223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555348243991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277674124995 + 277674124996.

It is an arithmetic number, because the mean of its divisors is an integer number (277674124996).

Almost surely, 2^555348249991 is an apocalyptic number.

555348249991 is a deficient number, since it is larger than the sum of its proper divisors (1).

555348249991 is an equidigital number, since it uses as much as digits as its factorization.

555348249991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984000, while the sum is 64.

The spelling of 555348249991 in words is "five hundred fifty-five billion, three hundred forty-eight million, two hundred forty-nine thousand, nine hundred ninety-one".