56847313 has 2 divisors, whose sum is σ = 56847314. Its totient is φ = 56847312.

The previous prime is 56847277. The next prime is 56847331. The reversal of 56847313 is 31374865.

Together with next prime (56847331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42354064 + 14493249 = 6508^2 + 3807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56847313 is a prime.

It is not a weakly prime, because it can be changed into another prime (56848313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28423656 + 28423657.

It is an arithmetic number, because the mean of its divisors is an integer number (28423657).

Almost surely, 2^56847313 is an apocalyptic number.

It is an amenable number.

56847313 is a deficient number, since it is larger than the sum of its proper divisors (1).

56847313 is an equidigital number, since it uses as much as digits as its factorization.

56847313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 56847313 is about 7539.7157108209. The cubic root of 56847313 is about 384.5061706946.

The spelling of 56847313 in words is "fifty-six million, eight hundred forty-seven thousand, three hundred thirteen".