51382 has 8 divisors (see below), whose sum is σ = 80496. Its totient is φ = 24552.

The previous prime is 51361. The next prime is 51383. The reversal of 51382 is 28315.

It is a happy number.

51382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513 + ... + 604.

It is an arithmetic number, because the mean of its divisors is an integer number (10062).

2⁵¹³⁸² is an apocalyptic number.

51382 is a deficient number, since it is larger than the sum of its proper divisors (29114).

51382 is a wasteful number, since it uses less digits than its factorization.

51382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142.

The product of its digits is 240, while the sum is 19.

The square root of 51382 is about 226.6759802008. The cubic root of 51382 is about 37.1766570323.

Adding to 51382 its reverse (28315), we get a palindrome (79697).

It can be divided in two parts, 513 and 82, that added together give a palindrome (595).

The spelling of 51382 in words is "fifty-one thousand, three hundred eighty-two".