56568018449 has 8 divisors (see below), whose sum is σ = 62499703680. Its totient is φ = 50925683776.

The previous prime is 56568018427. The next prime is 56568018469. The reversal of 56568018449 is 94481086565.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56568018449 is a prime.

It is a super-2 number, since 2×56568018449² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56568018394 and 56568018403.

It is not an unprimeable number, because it can be changed into a prime (56568018469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72337229 + ... + 72338010.

It is an arithmetic number, because the mean of its divisors is an integer number (7812462960).

Almost surely, 2^56568018449 is an apocalyptic number.

It is an amenable number.

56568018449 is a deficient number, since it is larger than the sum of its proper divisors (5931685231).

56568018449 is a wasteful number, since it uses less digits than its factorization.

56568018449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144675279.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 56568018449 in words is "fifty-six billion, five hundred sixty-eight million, eighteen thousand, four hundred forty-nine".