51310832 has 20 divisors (see below), whose sum is σ = 100086600. Its totient is φ = 25482048.

The previous prime is 51310829. The next prime is 51310841. The reversal of 51310832 is 23801315.

51310832 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 = 51310798 and 51310807.

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, 8378 + ... + 13145.

It is an arithmetic number, because the mean of its divisors is an integer number (5004330).

Almost surely, 2^51310832 is an apocalyptic number.

It is an amenable number.

51310832 is a deficient number, since it is larger than the sum of its proper divisors (48775768).

51310832 is a wasteful number, since it uses less digits than its factorization.

51310832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21680 (or 21674 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 51310832 is about 7163.1579627983. The cubic root of 51310832 is about 371.5948493042.

The spelling of 51310832 in words is "fifty-one million, three hundred ten thousand, eight hundred thirty-two".