56838631939547 has 2 divisors, whose sum is σ = 56838631939548. Its totient is φ = 56838631939546.

The previous prime is 56838631939543. The next prime is 56838631939651. The reversal of 56838631939547 is 74593913683865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56838631939547 - 2² = 56838631939543 is a prime.

It is not a weakly prime, because it can be changed into another prime (56838631939543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28419315969773 + 28419315969774.

It is an arithmetic number, because the mean of its divisors is an integer number (28419315969774).

Almost surely, 2^{56838631939547} is an apocalyptic number.

56838631939547 is a deficient number, since it is larger than the sum of its proper divisors (1).

56838631939547 is an equidigital number, since it uses as much as digits as its factorization.

56838631939547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3527193600, while the sum is 77.

The spelling of 56838631939547 in words is "fifty-six trillion, eight hundred thirty-eight billion, six hundred thirty-one million, nine hundred thirty-nine thousand, five hundred forty-seven".