51044432 has 20 divisors (see below), whose sum is σ = 99098196. Its totient is φ = 25470720.

The previous prime is 51044417. The next prime is 51044443. The reversal of 51044432 is 23444015.

It can be written as a sum of positive squares in 2 ways, for example, as 35331136 + 15713296 = 5944^2 + 3964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51044398 and 51044407.

It is a congruent number.

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, 5708 + ... + 11604.

Almost surely, 2^51044432 is an apocalyptic number.

It is an amenable number.

51044432 is a deficient number, since it is larger than the sum of its proper divisors (48053764).

51044432 is a wasteful number, since it uses less digits than its factorization.

51044432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446 (or 6440 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 51044432 is about 7144.5386135145. The cubic root of 51044432 is about 370.9506404062.

Adding to 51044432 its reverse (23444015), we get a palindrome (74488447).

The spelling of 51044432 in words is "fifty-one million, forty-four thousand, four hundred thirty-two".