56536532783999 has 2 divisors, whose sum is σ = 56536532784000. Its totient is φ = 56536532783998.

The previous prime is 56536532783923. The next prime is 56536532784019. The reversal of 56536532783999 is 99938723563565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56536532783999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56536532753999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28268266391999 + 28268266392000.

It is an arithmetic number, because the mean of its divisors is an integer number (28268266392000).

Almost surely, 2^{56536532783999} is an apocalyptic number.

56536532783999 is a deficient number, since it is larger than the sum of its proper divisors (1).

56536532783999 is an equidigital number, since it uses as much as digits as its factorization.

56536532783999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9920232000, while the sum is 80.

The spelling of 56536532783999 in words is "fifty-six trillion, five hundred thirty-six billion, five hundred thirty-two million, seven hundred eighty-three thousand, nine hundred ninety-nine".