56845856 has 12 divisors (see below), whose sum is σ = 111915342. Its totient is φ = 28422912.

The previous prime is 56845849. The next prime is 56845879. The reversal of 56845856 is 65854865.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30426256 + 26419600 = 5516^2 + 5140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56845856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 888185 + ... + 888248.

Almost surely, 2^56845856 is an apocalyptic number.

It is an amenable number.

56845856 is a deficient number, since it is larger than the sum of its proper divisors (55069486).

56845856 is a wasteful number, since it uses less digits than its factorization.

56845856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776443 (or 1776435 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 47.

The square root of 56845856 is about 7539.6190885216. The cubic root of 56845856 is about 384.5028856945.

Subtracting 56845856 from its reverse (65854865), we obtain a palindrome (9009009).

The spelling of 56845856 in words is "fifty-six million, eight hundred forty-five thousand, eight hundred fifty-six".