55423718167 has 2 divisors, whose sum is σ = 55423718168. Its totient is φ = 55423718166.

The previous prime is 55423718137. The next prime is 55423718177. The reversal of 55423718167 is 76181732455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55423718167 - 2¹⁹ = 55423193879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55423718167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55423718107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27711859083 + 27711859084.

It is an arithmetic number, because the mean of its divisors is an integer number (27711859084).

Almost surely, 2^55423718167 is an apocalyptic number.

55423718167 is a deficient number, since it is larger than the sum of its proper divisors (1).

55423718167 is an equidigital number, since it uses as much as digits as its factorization.

55423718167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 49.

The spelling of 55423718167 in words is "fifty-five billion, four hundred twenty-three million, seven hundred eighteen thousand, one hundred sixty-seven".