56782903 has 2 divisors, whose sum is σ = 56782904. Its totient is φ = 56782902.

The previous prime is 56782879. The next prime is 56782931. The reversal of 56782903 is 30928765.

56782903 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 56782903 - 2⁵ = 56782871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56782933) 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, 28391451 + 28391452.

It is an arithmetic number, because the mean of its divisors is an integer number (28391452).

Almost surely, 2^56782903 is an apocalyptic number.

56782903 is a deficient number, since it is larger than the sum of its proper divisors (1).

56782903 is an equidigital number, since it uses as much as digits as its factorization.

56782903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 56782903 is about 7535.4431190209. The cubic root of 56782903 is about 384.3608961533.

The spelling of 56782903 in words is "fifty-six million, seven hundred eighty-two thousand, nine hundred three".