55103637634369 has 2 divisors, whose sum is σ = 55103637634370. Its totient is φ = 55103637634368.

The previous prime is 55103637634349. The next prime is 55103637634387. The reversal of 55103637634369 is 96343673630155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40830655872769 + 14272981761600 = 6389887^2 + 3777960^2 .

It is a cyclic number.

It is not a de Polignac number, because 55103637634369 - 2¹¹ = 55103637632321 is a prime.

It is a super-2 number, since 2×55103637634369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55103637634349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27551818817184 + 27551818817185.

It is an arithmetic number, because the mean of its divisors is an integer number (27551818817185).

Almost surely, 2^{55103637634369} is an apocalyptic number.

It is an amenable number.

55103637634369 is a deficient number, since it is larger than the sum of its proper divisors (1).

55103637634369 is an equidigital number, since it uses as much as digits as its factorization.

55103637634369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110224800, while the sum is 61.

The spelling of 55103637634369 in words is "fifty-five trillion, one hundred three billion, six hundred thirty-seven million, six hundred thirty-four thousand, three hundred sixty-nine".