54269618457617 has 2 divisors, whose sum is σ = 54269618457618. Its totient is φ = 54269618457616.

The previous prime is 54269618457559. The next prime is 54269618457629. The reversal of 54269618457617 is 71675481696245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51928179866641 + 2341438590976 = 7206121^2 + 1530176^2 .

It is a cyclic number.

It is not a de Polignac number, because 54269618457617 - 2⁸ = 54269618457361 is a prime.

It is not a weakly prime, because it can be changed into another prime (54269618457647) 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, 27134809228808 + 27134809228809.

It is an arithmetic number, because the mean of its divisors is an integer number (27134809228809).

Almost surely, 2^{54269618457617} is an apocalyptic number.

It is an amenable number.

54269618457617 is a deficient number, since it is larger than the sum of its proper divisors (1).

54269618457617 is an equidigital number, since it uses as much as digits as its factorization.

54269618457617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 609638400, while the sum is 71.

The spelling of 54269618457617 in words is "fifty-four trillion, two hundred sixty-nine billion, six hundred eighteen million, four hundred fifty-seven thousand, six hundred seventeen".