51329344 has 28 divisors (see below), whose sum is σ = 111117888. Its totient is φ = 23331200.

The previous prime is 51329339. The next prime is 51329347. The reversal of 51329344 is 44392315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51329347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35752 + ... + 37159.

It is an arithmetic number, because the mean of its divisors is an integer number (3968496).

Almost surely, 2^51329344 is an apocalyptic number.

It is an amenable number.

51329344 is an abundant number, since it is smaller than the sum of its proper divisors (59788544).

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

51329344 is a wasteful number, since it uses less digits than its factorization.

51329344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72934 (or 72924 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 51329344 is about 7164.4500137833. The cubic root of 51329344 is about 371.6395321160.

The spelling of 51329344 in words is "fifty-one million, three hundred twenty-nine thousand, three hundred forty-four".