2056552189 has 2 divisors, whose sum is σ = 2056552190. Its totient is φ = 2056552188.

The previous prime is 2056552187. The next prime is 2056552217. The reversal of 2056552189 is 9812556502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2048286564 + 8265625 = 45258^2 + 2875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056552189 - 2¹ = 2056552187 is a prime.

Together with 2056552187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056552181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028276094 + 1028276095.

It is an arithmetic number, because the mean of its divisors is an integer number (1028276095).

Almost surely, 2^2056552189 is an apocalyptic number.

It is an amenable number.

2056552189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056552189 is an equidigital number, since it uses as much as digits as its factorization.

2056552189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 2056552189 is about 45349.2247894052. The cubic root of 2056552189 is about 1271.6860630141.

The spelling of 2056552189 in words is "two billion, fifty-six million, five hundred fifty-two thousand, one hundred eighty-nine".