51429344 has 24 divisors (see below), whose sum is σ = 102915288. Its totient is φ = 25292160.

The previous prime is 51429331. The next prime is 51429349. The reversal of 51429344 is 44392415.

51429344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 51429344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51429349) 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, 11222 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (4288137).

Almost surely, 2^51429344 is an apocalyptic number.

It is an amenable number.

51429344 is an abundant number, since it is smaller than the sum of its proper divisors (51485944).

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

51429344 is a wasteful number, since it uses less digits than its factorization.

51429344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26418 (or 26410 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 51429344 is about 7171.4255207734. The cubic root of 51429344 is about 371.8807186843.

The spelling of 51429344 in words is "fifty-one million, four hundred twenty-nine thousand, three hundred forty-four".