56128226 has 24 divisors (see below), whose sum is σ = 106843536. Its totient is φ = 21867720.

The previous prime is 56128213. The next prime is 56128229. The reversal of 56128226 is 62282165.

56128226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56128192 and 56128201.

It is not an unprimeable number, because it can be changed into a prime (56128229) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 24956 + ... + 27111.

It is an arithmetic number, because the mean of its divisors is an integer number (4451814).

Almost surely, 2^56128226 is an apocalyptic number.

56128226 is a deficient number, since it is larger than the sum of its proper divisors (50715310).

56128226 is a wasteful number, since it uses less digits than its factorization.

56128226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52094 (or 52087 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 56128226 is about 7491.8773348207. The cubic root of 56128226 is about 382.8780229068.

The spelling of 56128226 in words is "fifty-six million, one hundred twenty-eight thousand, two hundred twenty-six".