56985018 has 8 divisors (see below), whose sum is σ = 113970048. Its totient is φ = 18995004.

The previous prime is 56985011. The next prime is 56985023. The reversal of 56985018 is 81058965.

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

56985018 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is not an unprimeable number, because it can be changed into a prime (56985011) 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, 4748746 + ... + 4748757.

It is an arithmetic number, because the mean of its divisors is an integer number (14246256).

Almost surely, 2^56985018 is an apocalyptic number.

56985018 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.

56985018 is a wasteful number, since it uses less digits than its factorization.

56985018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9497508.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 56985018 is about 7548.8421628750. The cubic root of 56985018 is about 384.8163919017.

The spelling of 56985018 in words is "fifty-six million, nine hundred eighty-five thousand, eighteen".