55341217817 has 2 divisors, whose sum is σ = 55341217818. Its totient is φ = 55341217816.

The previous prime is 55341217747. The next prime is 55341217847. The reversal of 55341217817 is 71871214355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52613349376 + 2727868441 = 229376^2 + 52229^2 .

It is a cyclic number.

It is not a de Polignac number, because 55341217817 - 2¹⁰ = 55341216793 is a prime.

It is not a weakly prime, because it can be changed into another prime (55341217847) 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, 27670608908 + 27670608909.

It is an arithmetic number, because the mean of its divisors is an integer number (27670608909).

Almost surely, 2^55341217817 is an apocalyptic number.

It is an amenable number.

55341217817 is a deficient number, since it is larger than the sum of its proper divisors (1).

55341217817 is an equidigital number, since it uses as much as digits as its factorization.

55341217817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 44.

The spelling of 55341217817 in words is "fifty-five billion, three hundred forty-one million, two hundred seventeen thousand, eight hundred seventeen".