2056564530 has 24 divisors (see below), whose sum is σ = 5347068012. Its totient is φ = 548417184.

The previous prime is 2056564513. The next prime is 2056564537. The reversal of 2056564530 is 354656502.

It is a happy number.

2056564530 is a `hidden beast` number, since 2 + 0 + 5 + 6 + 5 + 645 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2003726169 + 52838361 = 44763^2 + 7269^2 .

It is not an unprimeable number, because it can be changed into a prime (2056564537) 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 11 ways as a sum of consecutive naturals, for example, 11425269 + ... + 11425448.

Almost surely, 2^2056564530 is an apocalyptic number.

2056564530 is an abundant number, since it is smaller than the sum of its proper divisors (3290503482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2056564530 is a wasteful number, since it uses less digits than its factorization.

2056564530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22850730 (or 22850727 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 2056564530 is about 45349.3608554740. The cubic root of 2056564530 is about 1271.6886067289.

The spelling of 2056564530 in words is "two billion, fifty-six million, five hundred sixty-four thousand, five hundred thirty".