56570353856 has 28 divisors (see below), whose sum is σ = 112316968152. Its totient is φ = 28270015488.

The previous prime is 56570353783. The next prime is 56570353859. The reversal of 56570353856 is 65835307565.

It is a junction number, because it is equal to n+sod(n) for n = 56570353798 and 56570353807.

It is not an unprimeable number, because it can be changed into a prime (56570353859) 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 3 ways as a sum of consecutive naturals, for example, 116090 + ... + 355833.

Almost surely, 2^56570353856 is an apocalyptic number.

It is an amenable number.

56570353856 is a deficient number, since it is larger than the sum of its proper divisors (55746614296).

56570353856 is a wasteful number, since it uses less digits than its factorization.

56570353856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473808 (or 473798 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 53.

The spelling of 56570353856 in words is "fifty-six billion, five hundred seventy million, three hundred fifty-three thousand, eight hundred fifty-six".