55198502205163 has 2 divisors, whose sum is σ = 55198502205164. Its totient is φ = 55198502205162.

The previous prime is 55198502205103. The next prime is 55198502205193. The reversal of 55198502205163 is 36150220589155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55198502205163 - 2²⁹ = 55197965334251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55198502205163.

It is not a weakly prime, because it can be changed into another prime (55198502205103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27599251102581 + 27599251102582.

It is an arithmetic number, because the mean of its divisors is an integer number (27599251102582).

Almost surely, 2^{55198502205163} is an apocalyptic number.

55198502205163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55198502205163 is an equidigital number, since it uses as much as digits as its factorization.

55198502205163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240000, while the sum is 52.

The spelling of 55198502205163 in words is "fifty-five trillion, one hundred ninety-eight billion, five hundred two million, two hundred five thousand, one hundred sixty-three".