55517003369 has 2 divisors, whose sum is σ = 55517003370. Its totient is φ = 55517003368.

The previous prime is 55517003357. The next prime is 55517003371. The reversal of 55517003369 is 96330071555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34313857600 + 21203145769 = 185240^2 + 145613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55517003369 is a prime.

It is a super-3 number, since 3×55517003369³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 55517003371, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55517008369) 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, 27758501684 + 27758501685.

It is an arithmetic number, because the mean of its divisors is an integer number (27758501685).

Almost surely, 2^55517003369 is an apocalyptic number.

It is an amenable number.

55517003369 is a deficient number, since it is larger than the sum of its proper divisors (1).

55517003369 is an equidigital number, since it uses as much as digits as its factorization.

55517003369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 425250, while the sum is 44.

The spelling of 55517003369 in words is "fifty-five billion, five hundred seventeen million, three thousand, three hundred sixty-nine".