51232232 has 16 divisors (see below), whose sum is σ = 96139140. Its totient is φ = 25595136.

The previous prime is 51232219. The next prime is 51232261. The reversal of 51232232 is 23223215.

It can be written as a sum of positive squares in 2 ways, for example, as 45346756 + 5885476 = 6734^2 + 2426^2 .

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, 13808 + ... + 17120.

Almost surely, 2^51232232 is an apocalyptic number.

It is an amenable number.

51232232 is a deficient number, since it is larger than the sum of its proper divisors (44906908).

51232232 is a wasteful number, since it uses less digits than its factorization.

51232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252 (or 5248 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 51232232 is about 7157.6694531111. The cubic root of 51232232 is about 371.4050110161.

Adding to 51232232 its reverse (23223215), we get a palindrome (74455447).

The spelling of 51232232 in words is "fifty-one million, two hundred thirty-two thousand, two hundred thirty-two".