51683 has 2 divisors, whose sum is σ = 51684. Its totient is φ = 51682.

The previous prime is 51679. The next prime is 51691. The reversal of 51683 is 38615.

51683 is nontrivially palindromic in base 5.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51683 - 2² = 51679 is a prime.

It is a super-2 number, since 2×51683² = 5342264978, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (51613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25841 + 25842.

It is an arithmetic number, because the mean of its divisors is an integer number (25842).

2⁵¹⁶⁸³ is an apocalyptic number.

51683 is a deficient number, since it is larger than the sum of its proper divisors (1).

51683 is an equidigital number, since it uses as much as digits as its factorization.

51683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 51683 is about 227.3389539872. The cubic root of 51683 is about 37.2491103792.

The spelling of 51683 in words is "fifty-one thousand, six hundred eighty-three".