55454105617 has 2 divisors, whose sum is σ = 55454105618. Its totient is φ = 55454105616.

The previous prime is 55454105563. The next prime is 55454105653. The reversal of 55454105617 is 71650145455.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53119186576 + 2334919041 = 230476^2 + 48321^2 .

It is a cyclic number.

It is not a de Polignac number, because 55454105617 - 2²³ = 55445717009 is a prime.

It is not a weakly prime, because it can be changed into another prime (55454195617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27727052808 + 27727052809.

It is an arithmetic number, because the mean of its divisors is an integer number (27727052809).

Almost surely, 2^55454105617 is an apocalyptic number.

It is an amenable number.

55454105617 is a deficient number, since it is larger than the sum of its proper divisors (1).

55454105617 is an equidigital number, since it uses as much as digits as its factorization.

55454105617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 55454105617 in words is "fifty-five billion, four hundred fifty-four million, one hundred five thousand, six hundred seventeen".