55154542212167 has 2 divisors, whose sum is σ = 55154542212168. Its totient is φ = 55154542212166.

The previous prime is 55154542212137. The next prime is 55154542212191. The reversal of 55154542212167 is 76121224545155.

55154542212167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55154542212167 - 2¹⁴ = 55154542195783 is a prime.

It is a super-2 number, since 2×55154542212167² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55154542212127) 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, 27577271106083 + 27577271106084.

It is an arithmetic number, because the mean of its divisors is an integer number (27577271106084).

Almost surely, 2^{55154542212167} is an apocalyptic number.

55154542212167 is a deficient number, since it is larger than the sum of its proper divisors (1).

55154542212167 is an equidigital number, since it uses as much as digits as its factorization.

55154542212167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360000, while the sum is 50.

The spelling of 55154542212167 in words is "fifty-five trillion, one hundred fifty-four billion, five hundred forty-two million, two hundred twelve thousand, one hundred sixty-seven".