56303857 has 2 divisors, whose sum is σ = 56303858. Its totient is φ = 56303856.

The previous prime is 56303837. The next prime is 56303867. The reversal of 56303857 is 75830365.

56303857 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 can be written as a sum of positive squares in only one way, i.e., 52765696 + 3538161 = 7264^2 + 1881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56303857 is a prime.

It is not a weakly prime, because it can be changed into another prime (56303827) 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, 28151928 + 28151929.

It is an arithmetic number, because the mean of its divisors is an integer number (28151929).

Almost surely, 2^56303857 is an apocalyptic number.

It is an amenable number.

56303857 is a deficient number, since it is larger than the sum of its proper divisors (1).

56303857 is an equidigital number, since it uses as much as digits as its factorization.

56303857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 56303857 is about 7503.5896076478. The cubic root of 56303857 is about 383.2769620110.

The spelling of 56303857 in words is "fifty-six million, three hundred three thousand, eight hundred fifty-seven".