54404181647 has 2 divisors, whose sum is σ = 54404181648. Its totient is φ = 54404181646.

The previous prime is 54404181617. The next prime is 54404181649. The reversal of 54404181647 is 74618140445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54404181647 - 2¹² = 54404177551 is a prime.

Together with 54404181649, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54404181598 and 54404181607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54404181649) 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, 27202090823 + 27202090824.

It is an arithmetic number, because the mean of its divisors is an integer number (27202090824).

Almost surely, 2^54404181647 is an apocalyptic number.

54404181647 is a deficient number, since it is larger than the sum of its proper divisors (1).

54404181647 is an equidigital number, since it uses as much as digits as its factorization.

54404181647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 54404181647 in words is "fifty-four billion, four hundred four million, one hundred eighty-one thousand, six hundred forty-seven".