56631835857 has 8 divisors (see below), whose sum is σ = 76177337184. Its totient is φ = 37420445888.

The previous prime is 56631835789. The next prime is 56631835873. The reversal of 56631835857 is 75853813665.

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

It is a cyclic number.

It is not a de Polignac number, because 56631835857 - 2¹² = 56631831761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56631835797 and 56631835806.

It is not an unprimeable number, because it can be changed into a prime (56631835457) by changing a digit.

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, 83527443 + ... + 83528120.

It is an arithmetic number, because the mean of its divisors is an integer number (9522167148).

Almost surely, 2^56631835857 is an apocalyptic number.

It is an amenable number.

56631835857 is a deficient number, since it is larger than the sum of its proper divisors (19545501327).

56631835857 is a wasteful number, since it uses less digits than its factorization.

56631835857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167055679.

The product of its digits is 18144000, while the sum is 57.

The spelling of 56631835857 in words is "fifty-six billion, six hundred thirty-one million, eight hundred thirty-five thousand, eight hundred fifty-seven".