55105916388287 has 2 divisors, whose sum is σ = 55105916388288. Its totient is φ = 55105916388286.

The previous prime is 55105916388269. The next prime is 55105916388329. The reversal of 55105916388287 is 78288361950155.

55105916388287 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 55105916388287 - 2⁸ = 55105916388031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55105916388217) 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, 27552958194143 + 27552958194144.

It is an arithmetic number, because the mean of its divisors is an integer number (27552958194144).

Almost surely, 2^{55105916388287} is an apocalyptic number.

55105916388287 is a deficient number, since it is larger than the sum of its proper divisors (1).

55105916388287 is an equidigital number, since it uses as much as digits as its factorization.

55105916388287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152000, while the sum is 68.

The spelling of 55105916388287 in words is "fifty-five trillion, one hundred five billion, nine hundred sixteen million, three hundred eighty-eight thousand, two hundred eighty-seven".