51353465236 has 12 divisors (see below), whose sum is σ = 89870991028. Its totient is φ = 25676039232.

The previous prime is 51353465209. The next prime is 51353465239. The reversal of 51353465236 is 63256435315.

It can be written as a sum of positive squares in 2 ways, for example, as 31985176336 + 19368288900 = 178844^2 + 139170^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51353465192 and 51353465201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51353465239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16360 + ... + 320896.

Almost surely, 2^51353465236 is an apocalyptic number.

It is an amenable number.

51353465236 is a deficient number, since it is larger than the sum of its proper divisors (38517525792).

51353465236 is a wasteful number, since it uses less digits than its factorization.

51353465236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346698 (or 346696 counting only the distinct ones).

The product of its digits is 972000, while the sum is 43.

The spelling of 51353465236 in words is "fifty-one billion, three hundred fifty-three million, four hundred sixty-five thousand, two hundred thirty-six".