51501325324 has 12 divisors (see below), whose sum is σ = 90229626648. Its totient is φ = 25721432000.

The previous prime is 51501325261. The next prime is 51501325331. The reversal of 51501325324 is 42352310515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7303702 + ... + 7310749.

It is an arithmetic number, because the mean of its divisors is an integer number (7519135554).

Almost surely, 2^51501325324 is an apocalyptic number.

It is an amenable number.

51501325324 is a deficient number, since it is larger than the sum of its proper divisors (38728301324).

51501325324 is a wasteful number, since it uses less digits than its factorization.

51501325324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14615336 (or 14615334 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 51501325324 its reverse (42352310515), we get a palindrome (93853635839).

The spelling of 51501325324 in words is "fifty-one billion, five hundred one million, three hundred twenty-five thousand, three hundred twenty-four".