51310344 has 16 divisors (see below), whose sum is σ = 128275920. Its totient is φ = 17103440.

The previous prime is 51310331. The next prime is 51310349. The reversal of 51310344 is 44301315.

51310344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51310344.

It is not an unprimeable number, because it can be changed into a prime (51310349) 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, 1068942 + ... + 1068989.

It is an arithmetic number, because the mean of its divisors is an integer number (8017245).

Almost surely, 2^51310344 is an apocalyptic number.

It is an amenable number.

51310344 is an abundant number, since it is smaller than the sum of its proper divisors (76965576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51310344 is a wasteful number, since it uses less digits than its factorization.

51310344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137940 (or 2137936 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51310344 is about 7163.1238995288. The cubic root of 51310344 is about 371.5936712628.

Adding to 51310344 its reverse (44301315), we get a palindrome (95611659).

The spelling of 51310344 in words is "fifty-one million, three hundred ten thousand, three hundred forty-four".