55354289 has 2 divisors, whose sum is σ = 55354290. Its totient is φ = 55354288.

The previous prime is 55354279. The next prime is 55354333. The reversal of 55354289 is 98245355.

55354289 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., 54272689 + 1081600 = 7367^2 + 1040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55354289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55354219) 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, 27677144 + 27677145.

It is an arithmetic number, because the mean of its divisors is an integer number (27677145).

Almost surely, 2^55354289 is an apocalyptic number.

It is an amenable number.

55354289 is a deficient number, since it is larger than the sum of its proper divisors (1).

55354289 is an equidigital number, since it uses as much as digits as its factorization.

55354289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 41.

The square root of 55354289 is about 7440.0463036194. The cubic root of 55354289 is about 381.1100712323.

The spelling of 55354289 in words is "fifty-five million, three hundred fifty-four thousand, two hundred eighty-nine".