56285903 has 2 divisors, whose sum is σ = 56285904. Its totient is φ = 56285902.

The previous prime is 56285893. The next prime is 56285921. The reversal of 56285903 is 30958265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56285903 - 2¹⁴ = 56269519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56285953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28142951 + 28142952.

It is an arithmetic number, because the mean of its divisors is an integer number (28142952).

Almost surely, 2^56285903 is an apocalyptic number.

56285903 is a deficient number, since it is larger than the sum of its proper divisors (1).

56285903 is an equidigital number, since it uses as much as digits as its factorization.

56285903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 56285903 is about 7502.3931515217. The cubic root of 56285903 is about 383.2362182888.

The spelling of 56285903 in words is "fifty-six million, two hundred eighty-five thousand, nine hundred three".