2143210055 has 32 divisors (see below), whose sum is σ = 3050663040. Its totient is φ = 1414264320.

The previous prime is 2143210021. The next prime is 2143210057. The reversal of 2143210055 is 5500123412.

It is not a de Polignac number, because 2143210055 - 2¹² = 2143205959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2143210055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143210057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318425 + ... + 325085.

It is an arithmetic number, because the mean of its divisors is an integer number (95333220).

Almost surely, 2^2143210055 is an apocalyptic number.

2143210055 is a deficient number, since it is larger than the sum of its proper divisors (907452985).

2143210055 is a wasteful number, since it uses less digits than its factorization.

2143210055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7019.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2143210055 is about 46294.8167185053. The cubic root of 2143210055 is about 1289.3027610458.

Adding to 2143210055 its reverse (5500123412), we get a palindrome (7643333467).

The spelling of 2143210055 in words is "two billion, one hundred forty-three million, two hundred ten thousand, fifty-five".