51751132 has 12 divisors (see below), whose sum is σ = 90646360. Its totient is φ = 25852176.

The previous prime is 51751099. The next prime is 51751151. The reversal of 51751132 is 23115715.

51751132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

51751132 is a Rhonda number in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 51751097 and 51751106.

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 3 ways as a sum of consecutive naturals, for example, 282 + ... + 10177.

Almost surely, 2^51751132 is an apocalyptic number.

It is an amenable number.

51751132 is a deficient number, since it is larger than the sum of its proper divisors (38895228).

51751132 is a wasteful number, since it uses less digits than its factorization.

51751132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700 (or 11698 counting only the distinct ones).

The product of its digits is 1050, while the sum is 25.

The square root of 51751132 is about 7193.8259639777. The cubic root of 51751132 is about 372.6547128454.

Adding to 51751132 its reverse (23115715), we get a palindrome (74866847).

The spelling of 51751132 in words is "fifty-one million, seven hundred fifty-one thousand, one hundred thirty-two".