55500002143 has 2 divisors, whose sum is σ = 55500002144. Its totient is φ = 55500002142.

The previous prime is 55500002137. The next prime is 55500002171. The reversal of 55500002143 is 34120000555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55500002143 - 2⁵ = 55500002111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55500002113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750001071 + 27750001072.

It is an arithmetic number, because the mean of its divisors is an integer number (27750001072).

Almost surely, 2^55500002143 is an apocalyptic number.

55500002143 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500002143 is an equidigital number, since it uses as much as digits as its factorization.

55500002143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 55500002143 its reverse (34120000555), we get a palindrome (89620002698).

The spelling of 55500002143 in words is "fifty-five billion, five hundred million, two thousand, one hundred forty-three".