55617882773 has 2 divisors, whose sum is σ = 55617882774. Its totient is φ = 55617882772.

The previous prime is 55617882721. The next prime is 55617882847. The reversal of 55617882773 is 37728871655.

55617882773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49587273124 + 6030609649 = 222682^2 + 77657^2 .

It is a cyclic number.

It is not a de Polignac number, because 55617882773 - 2¹⁰ = 55617881749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55617882973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27808941386 + 27808941387.

It is an arithmetic number, because the mean of its divisors is an integer number (27808941387).

Almost surely, 2^55617882773 is an apocalyptic number.

It is an amenable number.

55617882773 is a deficient number, since it is larger than the sum of its proper divisors (1).

55617882773 is an equidigital number, since it uses as much as digits as its factorization.

55617882773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19756800, while the sum is 59.

The spelling of 55617882773 in words is "fifty-five billion, six hundred seventeen million, eight hundred eighty-two thousand, seven hundred seventy-three".