855975056 has 20 divisors (see below), whose sum is σ = 1659148272. Its totient is φ = 427807776.

The previous prime is 855975053. The next prime is 855975073. The reversal of 855975056 is 650579558.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 855974995 and 855975013.

It is not an unprimeable number, because it can be changed into a prime (855975053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33431 + ... + 53193.

Almost surely, 2^855975056 is an apocalyptic number.

It is an amenable number.

855975056 is a deficient number, since it is larger than the sum of its proper divisors (803173216).

855975056 is a wasteful number, since it uses less digits than its factorization.

855975056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22478 (or 22472 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 50.

The square root of 855975056 is about 29257.0513893659. The cubic root of 855975056 is about 949.4826568248.

The spelling of 855975056 in words is "eight hundred fifty-five million, nine hundred seventy-five thousand, fifty-six".