51512422232 has 16 divisors (see below), whose sum is σ = 96628963200. Its totient is φ = 25744698720.

The previous prime is 51512422153. The next prime is 51512422237. The reversal of 51512422232 is 23222421515.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51512422195 and 51512422204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51512422237) 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, 1420019 + ... + 1455842.

It is an arithmetic number, because the mean of its divisors is an integer number (6039310200).

Almost surely, 2^51512422232 is an apocalyptic number.

It is an amenable number.

51512422232 is a deficient number, since it is larger than the sum of its proper divisors (45116540968).

51512422232 is a wasteful number, since it uses less digits than its factorization.

51512422232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878106 (or 2878102 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

Adding to 51512422232 its reverse (23222421515), we get a palindrome (74734843747).

The spelling of 51512422232 in words is "fifty-one billion, five hundred twelve million, four hundred twenty-two thousand, two hundred thirty-two".