55842384188317 has 2 divisors, whose sum is σ = 55842384188318. Its totient is φ = 55842384188316.

The previous prime is 55842384188309. The next prime is 55842384188387. The reversal of 55842384188317 is 71388148324855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48417298728516 + 7425085459801 = 6958254^2 + 2724901^2 .

It is a cyclic number.

It is not a de Polignac number, because 55842384188317 - 2³ = 55842384188309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55842384188387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27921192094158 + 27921192094159.

It is an arithmetic number, because the mean of its divisors is an integer number (27921192094159).

Almost surely, 2^{55842384188317} is an apocalyptic number.

It is an amenable number.

55842384188317 is a deficient number, since it is larger than the sum of its proper divisors (1).

55842384188317 is an equidigital number, since it uses as much as digits as its factorization.

55842384188317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 206438400, while the sum is 67.

The spelling of 55842384188317 in words is "fifty-five trillion, eight hundred forty-two billion, three hundred eighty-four million, one hundred eighty-eight thousand, three hundred seventeen".