55435417117 has 2 divisors, whose sum is σ = 55435417118. Its totient is φ = 55435417116.

The previous prime is 55435417067. The next prime is 55435417157. The reversal of 55435417117 is 71171453455.

55435417117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54821071321 + 614345796 = 234139^2 + 24786^2 .

It is a cyclic number.

It is not a de Polignac number, because 55435417117 - 2³¹ = 53287933469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55435417157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27717708558 + 27717708559.

It is an arithmetic number, because the mean of its divisors is an integer number (27717708559).

Almost surely, 2^55435417117 is an apocalyptic number.

It is an amenable number.

55435417117 is a deficient number, since it is larger than the sum of its proper divisors (1).

55435417117 is an equidigital number, since it uses as much as digits as its factorization.

55435417117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294000, while the sum is 43.

The spelling of 55435417117 in words is "fifty-five billion, four hundred thirty-five million, four hundred seventeen thousand, one hundred seventeen".