54768449117 has 2 divisors, whose sum is σ = 54768449118. Its totient is φ = 54768449116.

The previous prime is 54768449101. The next prime is 54768449129. The reversal of 54768449117 is 71194486745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30851517316 + 23916931801 = 175646^2 + 154651^2 .

It is a cyclic number.

It is not a de Polignac number, because 54768449117 - 2⁴ = 54768449101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54768449147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27384224558 + 27384224559.

It is an arithmetic number, because the mean of its divisors is an integer number (27384224559).

Almost surely, 2^54768449117 is an apocalyptic number.

It is an amenable number.

54768449117 is a deficient number, since it is larger than the sum of its proper divisors (1).

54768449117 is an equidigital number, since it uses as much as digits as its factorization.

54768449117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 56.

The spelling of 54768449117 in words is "fifty-four billion, seven hundred sixty-eight million, four hundred forty-nine thousand, one hundred seventeen".