51208 has 16 divisors (see below), whose sum is σ = 99180. Its totient is φ = 24768.

The previous prime is 51203. The next prime is 51217. The reversal of 51208 is 80215.

It is a happy number.

51208 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 10404 = 202^2 + 102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51191 and 51200.

It is not an unprimeable number, because it can be changed into a prime (51203) by changing a digit.

51208 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210 + ... + 382.

2⁵¹²⁰⁸ is an apocalyptic number.

It is an amenable number.

51208 is a deficient number, since it is larger than the sum of its proper divisors (47972).

51208 is a wasteful number, since it uses less digits than its factorization.

51208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 51208 is about 226.2918469587. The cubic root of 51208 is about 37.1346445635.

The spelling of 51208 in words is "fifty-one thousand, two hundred eight".