56143256 has 16 divisors (see below), whose sum is σ = 113366400. Its totient is φ = 25912224.

The previous prime is 56143249. The next prime is 56143261. The reversal of 56143256 is 65234165.

56143256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269816 + ... + 270023.

It is an arithmetic number, because the mean of its divisors is an integer number (7085400).

Almost surely, 2^56143256 is an apocalyptic number.

It is an amenable number.

56143256 is an abundant number, since it is smaller than the sum of its proper divisors (57223144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56143256 is a wasteful number, since it uses less digits than its factorization.

56143256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539858 (or 539854 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 56143256 is about 7492.8803540428. The cubic root of 56143256 is about 382.9121955119.

Subtracting 56143256 from its reverse (65234165), we obtain a palindrome (9090909).

The spelling of 56143256 in words is "fifty-six million, one hundred forty-three thousand, two hundred fifty-six".