550442143 has 2 divisors, whose sum is σ = 550442144. Its totient is φ = 550442142.

The previous prime is 550442131. The next prime is 550442147. The reversal of 550442143 is 341244055.

550442143 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 a de Polignac number, because none of the positive numbers 2^k-550442143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550442147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275221071 + 275221072.

It is an arithmetic number, because the mean of its divisors is an integer number (275221072).

Almost surely, 2^550442143 is an apocalyptic number.

550442143 is a deficient number, since it is larger than the sum of its proper divisors (1).

550442143 is an equidigital number, since it uses as much as digits as its factorization.

550442143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 550442143 is about 23461.5034258250. The cubic root of 550442143 is about 819.5407615918.

Adding to 550442143 its reverse (341244055), we get a palindrome (891686198).

The spelling of 550442143 in words is "five hundred fifty million, four hundred forty-two thousand, one hundred forty-three".