55122563358697 has 2 divisors, whose sum is σ = 55122563358698. Its totient is φ = 55122563358696.

The previous prime is 55122563358659. The next prime is 55122563358757. The reversal of 55122563358697 is 79685336522155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53159030968576 + 1963532390121 = 7291024^2 + 1401261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55122563358697 is a prime.

It is not a weakly prime, because it can be changed into another prime (55122563355697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27561281679348 + 27561281679349.

It is an arithmetic number, because the mean of its divisors is an integer number (27561281679349).

Almost surely, 2^{55122563358697} is an apocalyptic number.

It is an amenable number.

55122563358697 is a deficient number, since it is larger than the sum of its proper divisors (1).

55122563358697 is an equidigital number, since it uses as much as digits as its factorization.

55122563358697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240000, while the sum is 67.

The spelling of 55122563358697 in words is "fifty-five trillion, one hundred twenty-two billion, five hundred sixty-three million, three hundred fifty-eight thousand, six hundred ninety-seven".