51343688304416 has 24 divisors (see below), whose sum is σ = 101085121548684. Its totient is φ = 25671276482560.

The previous prime is 51343688304367. The next prime is 51343688304437. The reversal of 51343688304416 is 61440388634315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51293957520400 + 49730784016 = 7161980^2 + 223004^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16268045 + ... + 19166028.

Almost surely, 2^{51343688304416} is an apocalyptic number.

It is an amenable number.

51343688304416 is a deficient number, since it is larger than the sum of its proper divisors (49741433244268).

51343688304416 is a wasteful number, since it uses less digits than its factorization.

51343688304416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35479364 (or 35479356 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 51343688304416 in words is "fifty-one trillion, three hundred forty-three billion, six hundred eighty-eight million, three hundred four thousand, four hundred sixteen".