55042766017 has 2 divisors, whose sum is σ = 55042766018. Its totient is φ = 55042766016.

The previous prime is 55042765993. The next prime is 55042766029. The reversal of 55042766017 is 71066724055.

55042766017 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., 35621277696 + 19421488321 = 188736^2 + 139361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55042766017 is a prime.

It is not a weakly prime, because it can be changed into another prime (55042766087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27521383008 + 27521383009.

It is an arithmetic number, because the mean of its divisors is an integer number (27521383009).

Almost surely, 2^55042766017 is an apocalyptic number.

It is an amenable number.

55042766017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55042766017 is an equidigital number, since it uses as much as digits as its factorization.

55042766017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 55042766017 in words is "fifty-five billion, forty-two million, seven hundred sixty-six thousand, seventeen".