51072908 has 6 divisors (see below), whose sum is σ = 89377596. Its totient is φ = 25536452.

The previous prime is 51072907. The next prime is 51072929. The reversal of 51072908 is 80927015.

51072908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51072907) 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 as a sum of consecutive naturals, namely, 6384110 + ... + 6384117.

It is an arithmetic number, because the mean of its divisors is an integer number (14896266).

Almost surely, 2^51072908 is an apocalyptic number.

It is an amenable number.

51072908 is a deficient number, since it is larger than the sum of its proper divisors (38304688).

51072908 is a wasteful number, since it uses less digits than its factorization.

51072908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12768231 (or 12768229 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 51072908 is about 7146.5311865268. The cubic root of 51072908 is about 371.0196079465.

The spelling of 51072908 in words is "fifty-one million, seventy-two thousand, nine hundred eight".