54042984617 has 2 divisors, whose sum is σ = 54042984618. Its totient is φ = 54042984616.

The previous prime is 54042984559. The next prime is 54042984623. The reversal of 54042984617 is 71648924045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37886286736 + 16156697881 = 194644^2 + 127109^2 .

It is a cyclic number.

It is not a de Polignac number, because 54042984617 - 2⁶ = 54042984553 is a prime.

It is not a weakly prime, because it can be changed into another prime (54042984217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27021492308 + 27021492309.

It is an arithmetic number, because the mean of its divisors is an integer number (27021492309).

Almost surely, 2^54042984617 is an apocalyptic number.

It is an amenable number.

54042984617 is a deficient number, since it is larger than the sum of its proper divisors (1).

54042984617 is an equidigital number, since it uses as much as digits as its factorization.

54042984617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 54042984617 in words is "fifty-four billion, forty-two million, nine hundred eighty-four thousand, six hundred seventeen".