2171055059 has 4 divisors (see below), whose sum is σ = 2212018416. Its totient is φ = 2130091704.

The previous prime is 2171054981. The next prime is 2171055109. The reversal of 2171055059 is 9505501712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2171055059 - 2¹² = 2171050963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2171051059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20481599 + ... + 20481704.

It is an arithmetic number, because the mean of its divisors is an integer number (553004604).

Almost surely, 2^2171055059 is an apocalyptic number.

2171055059 is a deficient number, since it is larger than the sum of its proper divisors (40963357).

2171055059 is an equidigital number, since it uses as much as digits as its factorization.

2171055059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40963356.

The product of its (nonzero) digits is 15750, while the sum is 35.

The square root of 2171055059 is about 46594.5818631308. The cubic root of 2171055059 is about 1294.8623774086.

The spelling of 2171055059 in words is "two billion, one hundred seventy-one million, fifty-five thousand, fifty-nine".