55489348259 has 2 divisors, whose sum is σ = 55489348260. Its totient is φ = 55489348258.

The previous prime is 55489348207. The next prime is 55489348279. The reversal of 55489348259 is 95284398455.

55489348259 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55489348259 is a prime.

It is not a weakly prime, because it can be changed into another prime (55489348279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27744674129 + 27744674130.

It is an arithmetic number, because the mean of its divisors is an integer number (27744674130).

Almost surely, 2^55489348259 is an apocalyptic number.

55489348259 is a deficient number, since it is larger than the sum of its proper divisors (1).

55489348259 is an equidigital number, since it uses as much as digits as its factorization.

55489348259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208000, while the sum is 62.

The spelling of 55489348259 in words is "fifty-five billion, four hundred eighty-nine million, three hundred forty-eight thousand, two hundred fifty-nine".