56832662891 has 2 divisors, whose sum is σ = 56832662892. Its totient is φ = 56832662890.

The previous prime is 56832662881. The next prime is 56832662921. The reversal of 56832662891 is 19826623865.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56832662891 is a prime.

It is not a weakly prime, because it can be changed into another prime (56832662881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28416331445 + 28416331446.

It is an arithmetic number, because the mean of its divisors is an integer number (28416331446).

Almost surely, 2^56832662891 is an apocalyptic number.

56832662891 is a deficient number, since it is larger than the sum of its proper divisors (1).

56832662891 is an equidigital number, since it uses as much as digits as its factorization.

56832662891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 56.

The spelling of 56832662891 in words is "fifty-six billion, eight hundred thirty-two million, six hundred sixty-two thousand, eight hundred ninety-one".