55843289 has 2 divisors, whose sum is σ = 55843290. Its totient is φ = 55843288.

The previous prime is 55843267. The next prime is 55843301. The reversal of 55843289 is 98234855.

55843289 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 can be written as a sum of positive squares in only one way, i.e., 47334400 + 8508889 = 6880^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 55843289 - 2²⁴ = 39066073 is a prime.

It is not a weakly prime, because it can be changed into another prime (55843789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27921644 + 27921645.

It is an arithmetic number, because the mean of its divisors is an integer number (27921645).

Almost surely, 2^55843289 is an apocalyptic number.

It is an amenable number.

55843289 is a deficient number, since it is larger than the sum of its proper divisors (1).

55843289 is an equidigital number, since it uses as much as digits as its factorization.

55843289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The square root of 55843289 is about 7472.8367438343. The cubic root of 55843289 is about 382.2290253312.

The spelling of 55843289 in words is "fifty-five million, eight hundred forty-three thousand, two hundred eighty-nine".