51443305104 has 20 divisors (see below), whose sum is σ = 132895204976. Its totient is φ = 17147768352.

The previous prime is 51443305099. The next prime is 51443305127. The reversal of 51443305104 is 40150334415.

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, 535867714 + ... + 535867809.

Almost surely, 2^51443305104 is an apocalyptic number.

It is an amenable number.

51443305104 is an abundant number, since it is smaller than the sum of its proper divisors (81451899872).

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

51443305104 is a wasteful number, since it uses less digits than its factorization.

51443305104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071735534 (or 1071735528 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 51443305104 its reverse (40150334415), we get a palindrome (91593639519).

The spelling of 51443305104 in words is "fifty-one billion, four hundred forty-three million, three hundred five thousand, one hundred four".