55505505033697 has 2 divisors, whose sum is σ = 55505505033698. Its totient is φ = 55505505033696.

The previous prime is 55505505033689. The next prime is 55505505033703. The reversal of 55505505033697 is 79633050550555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51300561078481 + 4204943955216 = 7162441^2 + 2050596^2 .

It is a cyclic number.

It is not a de Polignac number, because 55505505033697 - 2³ = 55505505033689 is a prime.

It is a super-2 number, since 2×55505505033697² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55505505033617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752752516848 + 27752752516849.

It is an arithmetic number, because the mean of its divisors is an integer number (27752752516849).

Almost surely, 2^{55505505033697} is an apocalyptic number.

It is an amenable number.

55505505033697 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505505033697 is an equidigital number, since it uses as much as digits as its factorization.

55505505033697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53156250, while the sum is 58.

The spelling of 55505505033697 in words is "fifty-five trillion, five hundred five billion, five hundred five million, thirty-three thousand, six hundred ninety-seven".