56116549993 has 24 divisors (see below), whose sum is σ = 68400588672. Its totient is φ = 44942965632.

The previous prime is 56116549987. The next prime is 56116549997. The reversal of 56116549993 is 39994561165.

It is a happy number.

It is not a de Polignac number, because 56116549993 - 2⁵ = 56116549961 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56116549997) 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 23 ways as a sum of consecutive naturals, for example, 2286996 + ... + 2311402.

It is an arithmetic number, because the mean of its divisors is an integer number (2850024528).

Almost surely, 2^56116549993 is an apocalyptic number.

It is an amenable number.

56116549993 is a deficient number, since it is larger than the sum of its proper divisors (12284038679).

56116549993 is a wasteful number, since it uses less digits than its factorization.

56116549993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24709 (or 24570 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 58.

The spelling of 56116549993 in words is "fifty-six billion, one hundred sixteen million, five hundred forty-nine thousand, nine hundred ninety-three".