56232672218 has 8 divisors (see below), whose sum is σ = 84351892212. Its totient is φ = 28115374816.

The previous prime is 56232672191. The next prime is 56232672229. The reversal of 56232672218 is 81227623265.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55265897569 + 966774649 = 235087^2 + 31093^2 .

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

It is a super-2 number, since 2×56232672218² (a number of 22 digits) contains 22 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 405155 + ... + 525942.

Almost surely, 2^56232672218 is an apocalyptic number.

56232672218 is a deficient number, since it is larger than the sum of its proper divisors (28119219994).

56232672218 is a wasteful number, since it uses less digits than its factorization.

56232672218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961296.

The product of its digits is 483840, while the sum is 44.

The spelling of 56232672218 in words is "fifty-six billion, two hundred thirty-two million, six hundred seventy-two thousand, two hundred eighteen".