55600001100997 has 2 divisors, whose sum is σ = 55600001100998. Its totient is φ = 55600001100996.

The previous prime is 55600001100977. The next prime is 55600001101067. The reversal of 55600001100997 is 79900110000655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55314338644321 + 285662456676 = 7437361^2 + 534474^2 .

It is a cyclic number.

It is not a de Polignac number, because 55600001100997 - 2³⁹ = 55050245287109 is a prime.

It is a super-2 number, since 2×55600001100997² (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 (55600001100977) 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, 27800000550498 + 27800000550499.

It is an arithmetic number, because the mean of its divisors is an integer number (27800000550499).

Almost surely, 2^{55600001100997} is an apocalyptic number.

It is an amenable number.

55600001100997 is a deficient number, since it is larger than the sum of its proper divisors (1).

55600001100997 is an equidigital number, since it uses as much as digits as its factorization.

55600001100997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 43.

The spelling of 55600001100997 in words is "fifty-five trillion, six hundred billion, one million, one hundred thousand, nine hundred ninety-seven".