54923974817 has 2 divisors, whose sum is σ = 54923974818. Its totient is φ = 54923974816.

The previous prime is 54923974811. The next prime is 54923974849. The reversal of 54923974817 is 71847932945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35292882496 + 19631092321 = 187864^2 + 140111^2 .

It is a cyclic number.

It is not a de Polignac number, because 54923974817 - 2⁴ = 54923974801 is a prime.

It is not a weakly prime, because it can be changed into another prime (54923974811) 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, 27461987408 + 27461987409.

It is an arithmetic number, because the mean of its divisors is an integer number (27461987409).

Almost surely, 2^54923974817 is an apocalyptic number.

It is an amenable number.

54923974817 is a deficient number, since it is larger than the sum of its proper divisors (1).

54923974817 is an equidigital number, since it uses as much as digits as its factorization.

54923974817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 59.

The spelling of 54923974817 in words is "fifty-four billion, nine hundred twenty-three million, nine hundred seventy-four thousand, eight hundred seventeen".