55563612137069 has 2 divisors, whose sum is σ = 55563612137070. Its totient is φ = 55563612137068.

The previous prime is 55563612137051. The next prime is 55563612137153. The reversal of 55563612137069 is 96073121636555.

55563612137069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35663135747044 + 19900476390025 = 5971862^2 + 4460995^2 .

It is a cyclic number.

It is not a de Polignac number, because 55563612137069 - 2²⁰ = 55563611088493 is a prime.

It is a super-2 number, since 2×55563612137069² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55563612136999 and 55563612137017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55563612137009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27781806068534 + 27781806068535.

It is an arithmetic number, because the mean of its divisors is an integer number (27781806068535).

Almost surely, 2^{55563612137069} is an apocalyptic number.

It is an amenable number.

55563612137069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55563612137069 is an equidigital number, since it uses as much as digits as its factorization.

55563612137069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618000, while the sum is 59.

The spelling of 55563612137069 in words is "fifty-five trillion, five hundred sixty-three billion, six hundred twelve million, one hundred thirty-seven thousand, sixty-nine".