51984908 has 12 divisors (see below), whose sum is σ = 91585200. Its totient is φ = 25817712.

The previous prime is 51984901. The next prime is 51984913. The reversal of 51984908 is 80948915.

It is not an unprimeable number, because it can be changed into a prime (51984901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43016 + ... + 44207.

It is an arithmetic number, because the mean of its divisors is an integer number (7632100).

Almost surely, 2^51984908 is an apocalyptic number.

It is an amenable number.

51984908 is a deficient number, since it is larger than the sum of its proper divisors (39600292).

51984908 is a wasteful number, since it uses less digits than its factorization.

51984908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87376 (or 87374 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 51984908 is about 7210.0560330694. The cubic root of 51984908 is about 373.2150025350.

The spelling of 51984908 in words is "fifty-one million, nine hundred eighty-four thousand, nine hundred eight".