56701321 has 2 divisors, whose sum is σ = 56701322. Its totient is φ = 56701320.

The previous prime is 56701303. The next prime is 56701357. The reversal of 56701321 is 12310765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55711296 + 990025 = 7464^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 56701321 - 2⁷ = 56701193 is a prime.

It is not a weakly prime, because it can be changed into another prime (56701121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28350660 + 28350661.

It is an arithmetic number, because the mean of its divisors is an integer number (28350661).

Almost surely, 2^56701321 is an apocalyptic number.

It is an amenable number.

56701321 is a deficient number, since it is larger than the sum of its proper divisors (1).

56701321 is an equidigital number, since it uses as much as digits as its factorization.

56701321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 56701321 is about 7530.0279547954. The cubic root of 56701321 is about 384.1767329741.

The spelling of 56701321 in words is "fifty-six million, seven hundred one thousand, three hundred twenty-one".