555505055543 has 2 divisors, whose sum is σ = 555505055544. Its totient is φ = 555505055542.

The previous prime is 555505055533. The next prime is 555505055563. The reversal of 555505055543 is 345550505555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555505055543 - 2⁴ = 555505055527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555505055533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277752527771 + 277752527772.

It is an arithmetic number, because the mean of its divisors is an integer number (277752527772).

Almost surely, 2^555505055543 is an apocalyptic number.

555505055543 is a deficient number, since it is larger than the sum of its proper divisors (1).

555505055543 is an equidigital number, since it uses as much as digits as its factorization.

555505055543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4687500, while the sum is 47.

The spelling of 555505055543 in words is "five hundred fifty-five billion, five hundred five million, fifty-five thousand, five hundred forty-three".