51043732 has 24 divisors (see below), whose sum is σ = 93784320. Its totient is φ = 24276480.

The previous prime is 51043723. The next prime is 51043801. The reversal of 51043732 is 23734015.

51043732 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 = 51043697 and 51043706.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3828 + ... + 10804.

It is an arithmetic number, because the mean of its divisors is an integer number (3907680).

Almost surely, 2^51043732 is an apocalyptic number.

It is an amenable number.

51043732 is a deficient number, since it is larger than the sum of its proper divisors (42740588).

51043732 is a wasteful number, since it uses less digits than its factorization.

51043732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071 (or 7069 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 51043732 is about 7144.4896248787. The cubic root of 51043732 is about 370.9489447159.

Adding to 51043732 its reverse (23734015), we get a palindrome (74777747).

It can be divided in two parts, 5104 and 3732, that added together give a square (8836 = 94²).

The spelling of 51043732 in words is "fifty-one million, forty-three thousand, seven hundred thirty-two".