55035143 has 2 divisors, whose sum is σ = 55035144. Its totient is φ = 55035142.

The previous prime is 55035119. The next prime is 55035151. The reversal of 55035143 is 34153055.

55035143 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 55035143 - 2¹² = 55031047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55035163) 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, 27517571 + 27517572.

It is an arithmetic number, because the mean of its divisors is an integer number (27517572).

Almost surely, 2^55035143 is an apocalyptic number.

55035143 is a deficient number, since it is larger than the sum of its proper divisors (1).

55035143 is an equidigital number, since it uses as much as digits as its factorization.

55035143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 55035143 is about 7418.5674493126. The cubic root of 55035143 is about 380.3762271084.

Adding to 55035143 its reverse (34153055), we get a palindrome (89188198).

The spelling of 55035143 in words is "fifty-five million, thirty-five thousand, one hundred forty-three".