55552530289 has 2 divisors, whose sum is σ = 55552530290. Its totient is φ = 55552530288.

The previous prime is 55552530259. The next prime is 55552530301. The reversal of 55552530289 is 98203525555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35849635600 + 19702894689 = 189340^2 + 140367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55552530289 is a prime.

It is not a weakly prime, because it can be changed into another prime (55552530259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776265144 + 27776265145.

It is an arithmetic number, because the mean of its divisors is an integer number (27776265145).

Almost surely, 2^55552530289 is an apocalyptic number.

It is an amenable number.

55552530289 is a deficient number, since it is larger than the sum of its proper divisors (1).

55552530289 is an equidigital number, since it uses as much as digits as its factorization.

55552530289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700000, while the sum is 49.

The spelling of 55552530289 in words is "fifty-five billion, five hundred fifty-two million, five hundred thirty thousand, two hundred eighty-nine".