56729226 has 8 divisors (see below), whose sum is σ = 113458464. Its totient is φ = 18909740.

The previous prime is 56729203. The next prime is 56729237. The reversal of 56729226 is 62292765.

It is a happy number.

56729226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

56729226 is an admirable number.

It is a Curzon 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, 4727430 + ... + 4727441.

It is an arithmetic number, because the mean of its divisors is an integer number (14182308).

Almost surely, 2^56729226 is an apocalyptic number.

56729226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56729226 is a wasteful number, since it uses less digits than its factorization.

56729226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9454876.

The product of its digits is 90720, while the sum is 39.

The square root of 56729226 is about 7531.8806416459. The cubic root of 56729226 is about 384.2397455775.

The spelling of 56729226 in words is "fifty-six million, seven hundred twenty-nine thousand, two hundred twenty-six".