56729903 has 2 divisors, whose sum is σ = 56729904. Its totient is φ = 56729902.

The previous prime is 56729879. The next prime is 56729921. The reversal of 56729903 is 30992765.

56729903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56729903 - 2²² = 52535599 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56729963) 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, 28364951 + 28364952.

It is an arithmetic number, because the mean of its divisors is an integer number (28364952).

Almost surely, 2^56729903 is an apocalyptic number.

56729903 is a deficient number, since it is larger than the sum of its proper divisors (1).

56729903 is an equidigital number, since it uses as much as digits as its factorization.

56729903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 56729903 is about 7531.9255838066. The cubic root of 56729903 is about 384.2412740623.

The spelling of 56729903 in words is "fifty-six million, seven hundred twenty-nine thousand, nine hundred three".