56003737 has 2 divisors, whose sum is σ = 56003738. Its totient is φ = 56003736.

The previous prime is 56003723. The next prime is 56003741. The reversal of 56003737 is 73730065.

56003737 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., 41783296 + 14220441 = 6464^2 + 3771^2 .

It is a cyclic number.

It is not a de Polignac number, because 56003737 - 2⁷ = 56003609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56003699 and 56003708.

It is not a weakly prime, because it can be changed into another prime (56003747) 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, 28001868 + 28001869.

It is an arithmetic number, because the mean of its divisors is an integer number (28001869).

Almost surely, 2^56003737 is an apocalyptic number.

It is an amenable number.

56003737 is a deficient number, since it is larger than the sum of its proper divisors (1).

56003737 is an equidigital number, since it uses as much as digits as its factorization.

56003737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 56003737 is about 7483.5644581977. The cubic root of 56003737 is about 382.5947466316.

The spelling of 56003737 in words is "fifty-six million, three thousand, seven hundred thirty-seven".