51331412032 has 28 divisors (see below), whose sum is σ = 101868023340. Its totient is φ = 25663878656.

The previous prime is 51331411993. The next prime is 51331412081. The reversal of 51331412032 is 23021413315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25467053056 + 25864358976 = 159584^2 + 160824^2 .

It is a super-2 number, since 2×51331412032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51331411988 and 51331412006.

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 in 3 ways as a sum of consecutive naturals, for example, 1578594 + ... + 1610782.

Almost surely, 2^51331412032 is an apocalyptic number.

It is an amenable number.

51331412032 is a deficient number, since it is larger than the sum of its proper divisors (50536611308).

51331412032 is a wasteful number, since it uses less digits than its factorization.

51331412032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57118 (or 57108 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 51331412032 its reverse (23021413315), we get a palindrome (74352825347).

The spelling of 51331412032 in words is "fifty-one billion, three hundred thirty-one million, four hundred twelve thousand, thirty-two".