55718543 has 2 divisors, whose sum is σ = 55718544. Its totient is φ = 55718542.

The previous prime is 55718519. The next prime is 55718561. The reversal of 55718543 is 34581755.

55718543 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 55718543 - 2⁸ = 55718287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55718497 and 55718506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55718513) 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, 27859271 + 27859272.

It is an arithmetic number, because the mean of its divisors is an integer number (27859272).

Almost surely, 2^55718543 is an apocalyptic number.

55718543 is a deficient number, since it is larger than the sum of its proper divisors (1).

55718543 is an equidigital number, since it uses as much as digits as its factorization.

55718543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

The square root of 55718543 is about 7464.4854477720. The cubic root of 55718543 is about 381.9441979653.

The spelling of 55718543 in words is "fifty-five million, seven hundred eighteen thousand, five hundred forty-three".