56816524643 has 2 divisors, whose sum is σ = 56816524644. Its totient is φ = 56816524642.

The previous prime is 56816524607. The next prime is 56816524649. The reversal of 56816524643 is 34642561865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56816524643 - 2⁶ = 56816524579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56816524591 and 56816524600.

It is not a weakly prime, because it can be changed into another prime (56816524649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28408262321 + 28408262322.

It is an arithmetic number, because the mean of its divisors is an integer number (28408262322).

Almost surely, 2^56816524643 is an apocalyptic number.

56816524643 is a deficient number, since it is larger than the sum of its proper divisors (1).

56816524643 is an equidigital number, since it uses as much as digits as its factorization.

56816524643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 50.

The spelling of 56816524643 in words is "fifty-six billion, eight hundred sixteen million, five hundred twenty-four thousand, six hundred forty-three".