56729963 has 2 divisors, whose sum is σ = 56729964. Its totient is φ = 56729962.

The previous prime is 56729951. The next prime is 56729993. The reversal of 56729963 is 36992765.

56729963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56729963 - 2⁴ = 56729947 is a prime.

It is not a weakly prime, because it can be changed into another prime (56729903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28364981 + 28364982.

It is an arithmetic number, because the mean of its divisors is an integer number (28364982).

Almost surely, 2^56729963 is an apocalyptic number.

56729963 is a deficient number, since it is larger than the sum of its proper divisors (1).

56729963 is an equidigital number, since it uses as much as digits as its factorization.

56729963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 47.

The square root of 56729963 is about 7531.9295668507. The cubic root of 56729963 is about 384.2414095256.

The spelling of 56729963 in words is "fifty-six million, seven hundred twenty-nine thousand, nine hundred sixty-three".