56056218 has 8 divisors (see below), whose sum is σ = 112112448. Its totient is φ = 18685404.

The previous prime is 56056211. The next prime is 56056229. The reversal of 56056218 is 81265065.

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

56056218 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56056211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4671346 + ... + 4671357.

It is an arithmetic number, because the mean of its divisors is an integer number (14014056).

Almost surely, 2^56056218 is an apocalyptic number.

56056218 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.

56056218 is a wasteful number, since it uses less digits than its factorization.

56056218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342708.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 56056218 is about 7487.0700544338. The cubic root of 56056218 is about 382.7142189339.

The spelling of 56056218 in words is "fifty-six million, fifty-six thousand, two hundred eighteen".