51352432 has 20 divisors (see below), whose sum is σ = 100696680. Its totient is φ = 25366208.

The previous prime is 51352391. The next prime is 51352439. The reversal of 51352432 is 23425315.

51352432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51352397 and 51352406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51352439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18007 + ... + 20662.

It is an arithmetic number, because the mean of its divisors is an integer number (5034834).

Almost surely, 2^51352432 is an apocalyptic number.

It is an amenable number.

51352432 is a deficient number, since it is larger than the sum of its proper divisors (49344248).

51352432 is a wasteful number, since it uses less digits than its factorization.

51352432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38760 (or 38754 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 51352432 is about 7166.0611217042. The cubic root of 51352432 is about 371.6952450649.

Adding to 51352432 its reverse (23425315), we get a palindrome (74777747).

The spelling of 51352432 in words is "fifty-one million, three hundred fifty-two thousand, four hundred thirty-two".