56226516018 has 8 divisors (see below), whose sum is σ = 112453032048. Its totient is φ = 18742172004.

The previous prime is 56226515959. The next prime is 56226516019. The reversal of 56226516018 is 81061562265.

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

56226516018 is an admirable number.

It is a super-2 number, since 2×56226516018² (a number of 22 digits) contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (56226516019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4685542996 + ... + 4685543007.

It is an arithmetic number, because the mean of its divisors is an integer number (14056629006).

Almost surely, 2^56226516018 is an apocalyptic number.

56226516018 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.

56226516018 is a wasteful number, since it uses less digits than its factorization.

56226516018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371086008.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 56226516018 in words is "fifty-six billion, two hundred twenty-six million, five hundred sixteen thousand, eighteen".