56909586 has 8 divisors (see below), whose sum is σ = 113819184. Its totient is φ = 18969860.

The previous prime is 56909563. The next prime is 56909639. The reversal of 56909586 is 68590965.

56909586 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.

56909586 is an admirable 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, 4742460 + ... + 4742471.

It is an arithmetic number, because the mean of its divisors is an integer number (14227398).

Almost surely, 2^56909586 is an apocalyptic number.

56909586 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.

56909586 is a wasteful number, since it uses less digits than its factorization.

56909586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9484936.

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 56909586 is about 7543.8442454759. The cubic root of 56909586 is about 384.6465210096.

The spelling of 56909586 in words is "fifty-six million, nine hundred nine thousand, five hundred eighty-six".