55010601706661 has 2 divisors, whose sum is σ = 55010601706662. Its totient is φ = 55010601706660.

The previous prime is 55010601706513. The next prime is 55010601706681. The reversal of 55010601706661 is 16660710601055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35781333062500 + 19229268644161 = 5981750^2 + 4385119^2 .

It is a cyclic number.

It is not a de Polignac number, because 55010601706661 - 2¹⁰ = 55010601705637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55010601706681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505300853330 + 27505300853331.

It is an arithmetic number, because the mean of its divisors is an integer number (27505300853331).

Almost surely, 2^{55010601706661} is an apocalyptic number.

It is an amenable number.

55010601706661 is a deficient number, since it is larger than the sum of its proper divisors (1).

55010601706661 is an equidigital number, since it uses as much as digits as its factorization.

55010601706661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 55010601706661 in words is "fifty-five trillion, ten billion, six hundred one million, seven hundred six thousand, six hundred sixty-one".