55027755317 has 2 divisors, whose sum is σ = 55027755318. Its totient is φ = 55027755316.

The previous prime is 55027755271. The next prime is 55027755319. The reversal of 55027755317 is 71355772055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40768051921 + 14259703396 = 201911^2 + 119414^2 .

It is a cyclic number.

It is not a de Polignac number, because 55027755317 - 2¹⁰ = 55027754293 is a prime.

Together with 55027755319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55027755319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27513877658 + 27513877659.

It is an arithmetic number, because the mean of its divisors is an integer number (27513877659).

Almost surely, 2^55027755317 is an apocalyptic number.

It is an amenable number.

55027755317 is a deficient number, since it is larger than the sum of its proper divisors (1).

55027755317 is an equidigital number, since it uses as much as digits as its factorization.

55027755317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1286250, while the sum is 47.

The spelling of 55027755317 in words is "fifty-five billion, twenty-seven million, seven hundred fifty-five thousand, three hundred seventeen".