56056601066 has 8 divisors (see below), whose sum is σ = 84193681284. Its totient is φ = 27992040640.

The previous prime is 56056601017. The next prime is 56056601087. The reversal of 56056601066 is 66010665065.

It can be written as a sum of positive squares in 2 ways, for example, as 44114701225 + 11941899841 = 210035^2 + 109279^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18128015 + ... + 18131106.

Almost surely, 2^56056601066 is an apocalyptic number.

56056601066 is a deficient number, since it is larger than the sum of its proper divisors (28137080218).

56056601066 is a wasteful number, since it uses less digits than its factorization.

56056601066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36259896.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 56056601066 in words is "fifty-six billion, fifty-six million, six hundred one thousand, sixty-six".