51304673 has 8 divisors (see below), whose sum is σ = 59293440. Its totient is φ = 43480800.

The previous prime is 51304663. The next prime is 51304679. The reversal of 51304673 is 37640315.

51304673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51304673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51304679) 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 7 ways as a sum of consecutive naturals, for example, 40553 + ... + 41798.

It is an arithmetic number, because the mean of its divisors is an integer number (7411680).

Almost surely, 2^51304673 is an apocalyptic number.

It is an amenable number.

51304673 is a deficient number, since it is larger than the sum of its proper divisors (7988767).

51304673 is an equidigital number, since it uses as much as digits as its factorization.

51304673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82447.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 51304673 is about 7162.7280417450. The cubic root of 51304673 is about 371.5799808111.

Adding to 51304673 its reverse (37640315), we get a palindrome (88944988).

The spelling of 51304673 in words is "fifty-one million, three hundred four thousand, six hundred seventy-three".