55255346617 has 2 divisors, whose sum is σ = 55255346618. Its totient is φ = 55255346616.

The previous prime is 55255346611. The next prime is 55255346633. The reversal of 55255346617 is 71664355255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29198607376 + 26056739241 = 170876^2 + 161421^2 .

It is a cyclic number.

It is not a de Polignac number, because 55255346617 - 2²³ = 55246958009 is a prime.

It is not a weakly prime, because it can be changed into another prime (55255346611) 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, 27627673308 + 27627673309.

It is an arithmetic number, because the mean of its divisors is an integer number (27627673309).

Almost surely, 2^55255346617 is an apocalyptic number.

It is an amenable number.

55255346617 is a deficient number, since it is larger than the sum of its proper divisors (1).

55255346617 is an equidigital number, since it uses as much as digits as its factorization.

55255346617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780000, while the sum is 49.

The spelling of 55255346617 in words is "fifty-five billion, two hundred fifty-five million, three hundred forty-six thousand, six hundred seventeen".