51532333323516 has 144 divisors (see below), whose sum is σ = 134381573061120. Its totient is φ = 17077832709120.

The previous prime is 51532333323491. The next prime is 51532333323533. The reversal of 51532333323516 is 61532333323515.

51532333323516 is a `hidden beast` number, since 5 + 1 + 53 + 2 + 33 + 33 + 23 + 516 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9023343901 + ... + 9023349611.

It is an arithmetic number, because the mean of its divisors is an integer number (933205368480).

Almost surely, 2^{51532333323516} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51532333323516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67190786530560).

51532333323516 is an abundant number, since it is smaller than the sum of its proper divisors (82849239737604).

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

51532333323516 is a wasteful number, since it uses less digits than its factorization.

51532333323516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353 (or 8152 counting only the distinct ones).

The product of its digits is 2187000, while the sum is 45.

Subtracting 51532333323516 from its reverse (61532333323515), we obtain a palindrome (9999999999999).

The spelling of 51532333323516 in words is "fifty-one trillion, five hundred thirty-two billion, three hundred thirty-three million, three hundred twenty-three thousand, five hundred sixteen".