56211871896 has 24 divisors (see below), whose sum is σ = 152240486580. Its totient is φ = 18737290608.

The previous prime is 56211871873. The next prime is 56211871907. The reversal of 56211871896 is 69817811265.

It is a happy number.

56211871896 is a `hidden beast` number, since 5 + 621 + 1 + 8 + 7 + 1 + 8 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 390360150 + ... + 390360293.

Almost surely, 2^56211871896 is an apocalyptic number.

It is an amenable number.

56211871896 is an abundant number, since it is smaller than the sum of its proper divisors (96028614684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56211871896 is a wasteful number, since it uses less digits than its factorization.

56211871896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780720455 (or 780720448 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The spelling of 56211871896 in words is "fifty-six billion, two hundred eleven million, eight hundred seventy-one thousand, eight hundred ninety-six".