51873208 has 16 divisors (see below), whose sum is σ = 97461000. Its totient is φ = 25883616.

The previous prime is 51873203. The next prime is 51873221. The reversal of 51873208 is 80237815.

51873208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51873208² = 5381659416422528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51873203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2298 + ... + 10441.

Almost surely, 2^51873208 is an apocalyptic number.

It is an amenable number.

51873208 is a deficient number, since it is larger than the sum of its proper divisors (45587792).

51873208 is a wasteful number, since it uses less digits than its factorization.

51873208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13254 (or 13250 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 51873208 is about 7202.3057419135. The cubic root of 51873208 is about 372.9475017576.

The spelling of 51873208 in words is "fifty-one million, eight hundred seventy-three thousand, two hundred eight".