2143517055 has 8 divisors (see below), whose sum is σ = 3429627312. Its totient is φ = 1143209088.

The previous prime is 2143516957. The next prime is 2143517083. The reversal of 2143517055 is 5507153412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2143517055 - 2⁸ = 2143516799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71450554 + ... + 71450583.

It is an arithmetic number, because the mean of its divisors is an integer number (428703414).

Almost surely, 2^2143517055 is an apocalyptic number.

2143517055 is a deficient number, since it is larger than the sum of its proper divisors (1286110257).

2143517055 is a wasteful number, since it uses less digits than its factorization.

2143517055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142901145.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 2143517055 is about 46298.1323057421. The cubic root of 2143517055 is about 1289.3643193376.

The spelling of 2143517055 in words is "two billion, one hundred forty-three million, five hundred seventeen thousand, fifty-five".