51303040504 has 64 divisors (see below), whose sum is σ = 104056099200. Its totient is φ = 23625498624.

The previous prime is 51303040501. The next prime is 51303040519. The reversal of 51303040504 is 40504030315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51303040501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192944 + ... + 1235200.

It is an arithmetic number, because the mean of its divisors is an integer number (1625876550).

Almost surely, 2^51303040504 is an apocalyptic number.

It is an amenable number.

51303040504 is an abundant number, since it is smaller than the sum of its proper divisors (52753058696).

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

51303040504 is a wasteful number, since it uses less digits than its factorization.

51303040504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42472 (or 42468 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 51303040504 its reverse (40504030315), we get a palindrome (91807070819).

The spelling of 51303040504 in words is "fifty-one billion, three hundred three million, forty thousand, five hundred four".