54717651871 has 2 divisors, whose sum is σ = 54717651872. Its totient is φ = 54717651870.

The previous prime is 54717651823. The next prime is 54717651881. The reversal of 54717651871 is 17815671745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54717651871 - 2⁷ = 54717651743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54717651881) 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, 27358825935 + 27358825936.

It is an arithmetic number, because the mean of its divisors is an integer number (27358825936).

Almost surely, 2^54717651871 is an apocalyptic number.

54717651871 is a deficient number, since it is larger than the sum of its proper divisors (1).

54717651871 is an equidigital number, since it uses as much as digits as its factorization.

54717651871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1646400, while the sum is 52.

The spelling of 54717651871 in words is "fifty-four billion, seven hundred seventeen million, six hundred fifty-one thousand, eight hundred seventy-one".