54423550217 has 2 divisors, whose sum is σ = 54423550218. Its totient is φ = 54423550216.

The previous prime is 54423550211. The next prime is 54423550229. The reversal of 54423550217 is 71205532445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53967471481 + 456078736 = 232309^2 + 21356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54423550217 is a prime.

It is not a weakly prime, because it can be changed into another prime (54423550211) 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, 27211775108 + 27211775109.

It is an arithmetic number, because the mean of its divisors is an integer number (27211775109).

Almost surely, 2^54423550217 is an apocalyptic number.

It is an amenable number.

54423550217 is a deficient number, since it is larger than the sum of its proper divisors (1).

54423550217 is an equidigital number, since it uses as much as digits as its factorization.

54423550217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 54423550217 in words is "fifty-four billion, four hundred twenty-three million, five hundred fifty thousand, two hundred seventeen".