51845683 has 2 divisors, whose sum is σ = 51845684. Its totient is φ = 51845682.

The previous prime is 51845641. The next prime is 51845687. The reversal of 51845683 is 38654815.

51845683 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51845683 is a prime.

It is not a weakly prime, because it can be changed into another prime (51845687) 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, 25922841 + 25922842.

It is an arithmetic number, because the mean of its divisors is an integer number (25922842).

Almost surely, 2^51845683 is an apocalyptic number.

51845683 is a deficient number, since it is larger than the sum of its proper divisors (1).

51845683 is an equidigital number, since it uses as much as digits as its factorization.

51845683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 40.

The square root of 51845683 is about 7200.3946419623. The cubic root of 51845683 is about 372.8815255270.

The spelling of 51845683 in words is "fifty-one million, eight hundred forty-five thousand, six hundred eighty-three".