55200143 has 2 divisors, whose sum is σ = 55200144. Its totient is φ = 55200142.

The previous prime is 55200127. The next prime is 55200151. The reversal of 55200143 is 34100255.

55200143 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 55200143 - 2⁴ = 55200127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55200163) 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, 27600071 + 27600072.

It is an arithmetic number, because the mean of its divisors is an integer number (27600072).

Almost surely, 2^55200143 is an apocalyptic number.

55200143 is a deficient number, since it is larger than the sum of its proper divisors (1).

55200143 is an equidigital number, since it uses as much as digits as its factorization.

55200143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55200143 is about 7429.6798719730. The cubic root of 55200143 is about 380.7559811850.

Adding to 55200143 its reverse (34100255), we get a palindrome (89300398).

The spelling of 55200143 in words is "fifty-five million, two hundred thousand, one hundred forty-three".