56703917 has 2 divisors, whose sum is σ = 56703918. Its totient is φ = 56703916.

The previous prime is 56703893. The next prime is 56703967. The reversal of 56703917 is 71930765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29964676 + 26739241 = 5474^2 + 5171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56703917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56703967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28351958 + 28351959.

It is an arithmetic number, because the mean of its divisors is an integer number (28351959).

Almost surely, 2^56703917 is an apocalyptic number.

It is an amenable number.

56703917 is a deficient number, since it is larger than the sum of its proper divisors (1).

56703917 is an equidigital number, since it uses as much as digits as its factorization.

56703917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 56703917 is about 7530.2003293405. The cubic root of 56703917 is about 384.1825959038.

The spelling of 56703917 in words is "fifty-six million, seven hundred three thousand, nine hundred seventeen".