51304680 has 96 divisors (see below), whose sum is σ = 190569600. Its totient is φ = 11726208.

The previous prime is 51304679. The next prime is 51304751. The reversal of 51304680 is 8640315.

51304680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7660 + ... + 12699.

It is an arithmetic number, because the mean of its divisors is an integer number (1985100).

Almost surely, 2^51304680 is an apocalyptic number.

It is an amenable number.

51304680 is an abundant number, since it is smaller than the sum of its proper divisors (139264920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51304680 is a wasteful number, since it uses less digits than its factorization.

51304680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20383 (or 20376 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 51304680 is about 7162.7285303856. The cubic root of 51304680 is about 371.5799977106.

Adding to 51304680 its reverse (8640315), we get a palindrome (59944995).

It can be divided in two parts, 51304 and 680, that added together give a square (51984 = 228²).

The spelling of 51304680 in words is "fifty-one million, three hundred four thousand, six hundred eighty".