55586280289 has 2 divisors, whose sum is σ = 55586280290. Its totient is φ = 55586280288.

The previous prime is 55586280257. The next prime is 55586280413. The reversal of 55586280289 is 98208268555.

It is a happy number.

55586280289 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., 42278350689 + 13307929600 = 205617^2 + 115360^2 .

It is a cyclic number.

It is not a de Polignac number, because 55586280289 - 2⁵ = 55586280257 is a prime.

It is not a weakly prime, because it can be changed into another prime (55586280209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27793140144 + 27793140145.

It is an arithmetic number, because the mean of its divisors is an integer number (27793140145).

Almost surely, 2^55586280289 is an apocalyptic number.

It is an amenable number.

55586280289 is a deficient number, since it is larger than the sum of its proper divisors (1).

55586280289 is an equidigital number, since it uses as much as digits as its factorization.

55586280289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824000, while the sum is 58.

The spelling of 55586280289 in words is "fifty-five billion, five hundred eighty-six million, two hundred eighty thousand, two hundred eighty-nine".