56798845191 has 40 divisors (see below), whose sum is σ = 92586925200. Its totient is φ = 34413932160.

The previous prime is 56798845171. The next prime is 56798845219. The reversal of 56798845191 is 19154889765.

56798845191 is a `hidden beast` number, since 5 + 6 + 7 + 98 + 8 + 451 + 91 = 666.

It is not a de Polignac number, because 56798845191 - 2⁷ = 56798845063 is a prime.

It is a super-2 number, since 2×56798845191² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56798845121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4420965 + ... + 4433793.

It is an arithmetic number, because the mean of its divisors is an integer number (2314673130).

Almost surely, 2^56798845191 is an apocalyptic number.

56798845191 is a deficient number, since it is larger than the sum of its proper divisors (35788080009).

56798845191 is a wasteful number, since it uses less digits than its factorization.

56798845191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17821 (or 17812 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 63.

The spelling of 56798845191 in words is "fifty-six billion, seven hundred ninety-eight million, eight hundred forty-five thousand, one hundred ninety-one".