55555550530289 has 2 divisors, whose sum is σ = 55555550530290. Its totient is φ = 55555550530288.

The previous prime is 55555550530201. The next prime is 55555550530303. The reversal of 55555550530289 is 98203505555555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55113103392400 + 442447137889 = 7423820^2 + 665167^2 .

It is a cyclic number.

It is not a de Polignac number, because 55555550530289 - 2³⁶ = 55486831053553 is a prime.

It is not a weakly prime, because it can be changed into another prime (55555550539289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777775265144 + 27777775265145.

It is an arithmetic number, because the mean of its divisors is an integer number (27777775265145).

Almost surely, 2^{55555550530289} is an apocalyptic number.

It is an amenable number.

55555550530289 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555550530289 is an equidigital number, since it uses as much as digits as its factorization.

55555550530289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168750000, while the sum is 62.

The spelling of 55555550530289 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred fifty million, five hundred thirty thousand, two hundred eighty-nine".