55122205342319 has 2 divisors, whose sum is σ = 55122205342320. Its totient is φ = 55122205342318.

The previous prime is 55122205342277. The next prime is 55122205342361. The reversal of 55122205342319 is 91324350222155.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (55122205342277) and next prime (55122205342361).

It is a cyclic number.

It is not a de Polignac number, because 55122205342319 - 2²⁰ = 55122204293743 is a prime.

It is a super-2 number, since 2×55122205342319² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55122205342319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55122205342619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27561102671159 + 27561102671160.

It is an arithmetic number, because the mean of its divisors is an integer number (27561102671160).

Almost surely, 2^{55122205342319} is an apocalyptic number.

55122205342319 is a deficient number, since it is larger than the sum of its proper divisors (1).

55122205342319 is an equidigital number, since it uses as much as digits as its factorization.

55122205342319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 55122205342319 in words is "fifty-five trillion, one hundred twenty-two billion, two hundred five million, three hundred forty-two thousand, three hundred nineteen".