55684243 has 2 divisors, whose sum is σ = 55684244. Its totient is φ = 55684242.

The previous prime is 55684207. The next prime is 55684249. The reversal of 55684243 is 34248655.

55684243 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 not a de Polignac number, because 55684243 - 2⁹ = 55683731 is a prime.

It is not a weakly prime, because it can be changed into another prime (55684249) 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, 27842121 + 27842122.

It is an arithmetic number, because the mean of its divisors is an integer number (27842122).

Almost surely, 2^55684243 is an apocalyptic number.

55684243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55684243 is an equidigital number, since it uses as much as digits as its factorization.

55684243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 37.

The square root of 55684243 is about 7462.1875478977. The cubic root of 55684243 is about 381.8658076938.

The spelling of 55684243 in words is "fifty-five million, six hundred eighty-four thousand, two hundred forty-three".