51780968324 has 6 divisors (see below), whose sum is σ = 90616694574. Its totient is φ = 25890484160.

The previous prime is 51780968303. The next prime is 51780968333. The reversal of 51780968324 is 42386908715.

It can be written as a sum of positive squares in only one way, i.e., 33415840000 + 18365128324 = 182800^2 + 135518^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6472621037 + ... + 6472621044.

It is an arithmetic number, because the mean of its divisors is an integer number (15102782429).

It is a 1-persistent number, because it is pandigital, but 2⋅51780968324 = 103561936648 is not.

Almost surely, 2^51780968324 is an apocalyptic number.

It is an amenable number.

51780968324 is a deficient number, since it is larger than the sum of its proper divisors (38835726250).

51780968324 is a wasteful number, since it uses less digits than its factorization.

51780968324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12945242085 (or 12945242083 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 51780968324 in words is "fifty-one billion, seven hundred eighty million, nine hundred sixty-eight thousand, three hundred twenty-four".