55505060001943 has 2 divisors, whose sum is σ = 55505060001944. Its totient is φ = 55505060001942.

The previous prime is 55505060001869. The next prime is 55505060002039. The reversal of 55505060001943 is 34910006050555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55505060001943 - 2⁹ = 55505060001431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55505060001943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55505060001043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752530000971 + 27752530000972.

It is an arithmetic number, because the mean of its divisors is an integer number (27752530000972).

Almost surely, 2^{55505060001943} is an apocalyptic number.

55505060001943 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505060001943 is an equidigital number, since it uses as much as digits as its factorization.

55505060001943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 55505060001943 in words is "fifty-five trillion, five hundred five billion, sixty million, one thousand, nine hundred forty-three".