54552471161 has 2 divisors, whose sum is σ = 54552471162. Its totient is φ = 54552471160.

The previous prime is 54552471143. The next prime is 54552471209. The reversal of 54552471161 is 16117425545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35252315536 + 19300155625 = 187756^2 + 138925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54552471161 is a prime.

It is not a weakly prime, because it can be changed into another prime (54552473161) 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, 27276235580 + 27276235581.

It is an arithmetic number, because the mean of its divisors is an integer number (27276235581).

Almost surely, 2^54552471161 is an apocalyptic number.

It is an amenable number.

54552471161 is a deficient number, since it is larger than the sum of its proper divisors (1).

54552471161 is an equidigital number, since it uses as much as digits as its factorization.

54552471161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 41.

The spelling of 54552471161 in words is "fifty-four billion, five hundred fifty-two million, four hundred seventy-one thousand, one hundred sixty-one".