56116550051 has 4 divisors (see below), whose sum is σ = 56117413632. Its totient is φ = 56115686472.

The previous prime is 56116550029. The next prime is 56116550093. The reversal of 56116550051 is 15005561165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56116550051 - 2⁶ = 56116549987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56116549993 and 56116550020.

It is not an unprimeable number, because it can be changed into a prime (56110550051) 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, 325616 + ... + 467181.

It is an arithmetic number, because the mean of its divisors is an integer number (14029353408).

Almost surely, 2^56116550051 is an apocalyptic number.

56116550051 is a deficient number, since it is larger than the sum of its proper divisors (863581).

56116550051 is an equidigital number, since it uses as much as digits as its factorization.

56116550051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863580.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 56116550051 in words is "fifty-six billion, one hundred sixteen million, five hundred fifty thousand, fifty-one".