56006050091 has 2 divisors, whose sum is σ = 56006050092. Its totient is φ = 56006050090.

The previous prime is 56006050069. The next prime is 56006050099. The reversal of 56006050091 is 19005060065.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56006050091 is a prime.

It is a super-2 number, since 2×56006050091² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56006050099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28003025045 + 28003025046.

It is an arithmetic number, because the mean of its divisors is an integer number (28003025046).

Almost surely, 2^56006050091 is an apocalyptic number.

56006050091 is a deficient number, since it is larger than the sum of its proper divisors (1).

56006050091 is an equidigital number, since it uses as much as digits as its factorization.

56006050091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 56006050091 in words is "fifty-six billion, six million, fifty thousand, ninety-one".