55055055005543 has 2 divisors, whose sum is σ = 55055055005544. Its totient is φ = 55055055005542.

The previous prime is 55055055005479. The next prime is 55055055005627. The reversal of 55055055005543 is 34550055055055.

55055055005543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55055055005543 - 2⁶ = 55055055005479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55055055005843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527527502771 + 27527527502772.

It is an arithmetic number, because the mean of its divisors is an integer number (27527527502772).

Almost surely, 2^{55055055005543} is an apocalyptic number.

55055055005543 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055055005543 is an equidigital number, since it uses as much as digits as its factorization.

55055055005543 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 55055055005543 in words is "fifty-five trillion, fifty-five billion, fifty-five million, five thousand, five hundred forty-three".