51908 has 12 divisors (see below), whose sum is σ = 95760. Its totient is φ = 24552.

The previous prime is 51907. The next prime is 51913. The reversal of 51908 is 80915.

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 51908.

It is not an unprimeable number, because it can be changed into a prime (51907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (7980).

2⁵¹⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

51908 is a deficient number, since it is larger than the sum of its proper divisors (43852).

51908 is a wasteful number, since it uses less digits than its factorization.

51908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 51908 is about 227.8332723726. The cubic root of 51908 is about 37.3030863285.

It can be divided in two parts, 51 and 908, that added together give a palindrome (959).

The spelling of 51908 in words is "fifty-one thousand, nine hundred eight".