56983 has 2 divisors, whose sum is σ = 56984. Its totient is φ = 56982.
The previous prime is 56963. The next prime is 56989. The reversal of 56983 is 38965.
It is a strong prime.
56983 is a truncatable prime.
It is a cyclic number.
It is not a de Polignac number, because 56983 - 25 = 56951 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a zygodrome in base 3.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (56989) 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, 28491 + 28492.
It is an arithmetic number, because the mean of its divisors is an integer number (28492).
256983 is an apocalyptic number.
56983 is a deficient number, since it is larger than the sum of its proper divisors (1).
56983 is an equidigital number, since it uses as much as digits as its factorization.
56983 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6480, while the sum is 31.
The square root of 56983 is about 238.7111224891. The cubic root of 56983 is about 38.4811849371.
The spelling of 56983 in words is "fifty-six thousand, nine hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •