56713229218 has 16 divisors (see below), whose sum is σ = 85564341720. Its totient is φ = 28192260096.

The previous prime is 56713229173. The next prime is 56713229239. The reversal of 56713229218 is 81292231765.

It can be written as a sum of positive squares in 4 ways, for example, as 54528321169 + 2184908049 = 233513^2 + 46743^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118738 + ... + 357106.

Almost surely, 2^56713229218 is an apocalyptic number.

56713229218 is a deficient number, since it is larger than the sum of its proper divisors (28851112502).

56713229218 is a wasteful number, since it uses less digits than its factorization.

56713229218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239061.

The product of its digits is 362880, while the sum is 46.

The spelling of 56713229218 in words is "fifty-six billion, seven hundred thirteen million, two hundred twenty-nine thousand, two hundred eighteen".