51344 has 10 divisors (see below), whose sum is σ = 99510. Its totient is φ = 25664.

The previous prime is 51343. The next prime is 51347. The reversal of 51344 is 44315.

It can be written as a sum of positive squares in only one way, i.e., 44944 + 6400 = 212^2 + 80^2 .

It is not an unprimeable number, because it can be changed into a prime (51341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1589 + ... + 1620.

It is an arithmetic number, because the mean of its divisors is an integer number (9951).

2⁵¹³⁴⁴ is an apocalyptic number.

It is an amenable number.

51344 is a deficient number, since it is larger than the sum of its proper divisors (48166).

51344 is a wasteful number, since it uses less digits than its factorization.

51344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3211 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 51344 is about 226.5921446123. The cubic root of 51344 is about 37.1674899999.

Adding to 51344 its reverse (44315), we get a palindrome (95659).

The spelling of 51344 in words is "fifty-one thousand, three hundred forty-four".