55842384188387 has 2 divisors, whose sum is σ = 55842384188388. Its totient is φ = 55842384188386.

The previous prime is 55842384188317. The next prime is 55842384188431. The reversal of 55842384188387 is 78388148324855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55842384188387 - 2¹⁰ = 55842384187363 is a prime.

It is not a weakly prime, because it can be changed into another prime (55842384188317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27921192094193 + 27921192094194.

It is an arithmetic number, because the mean of its divisors is an integer number (27921192094194).

Almost surely, 2^{55842384188387} is an apocalyptic number.

55842384188387 is a deficient number, since it is larger than the sum of its proper divisors (1).

55842384188387 is an equidigital number, since it uses as much as digits as its factorization.

55842384188387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1651507200, while the sum is 74.

The spelling of 55842384188387 in words is "fifty-five trillion, eight hundred forty-two billion, three hundred eighty-four million, one hundred eighty-eight thousand, three hundred eighty-seven".