51478344 has 48 divisors (see below), whose sum is σ = 139810320. Its totient is φ = 17111520.

The previous prime is 51478333. The next prime is 51478351. The reversal of 51478344 is 44387415.

51478344 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 51478299 and 51478308.

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 11 ways as a sum of consecutive naturals, for example, 32859 + ... + 34389.

It is an arithmetic number, because the mean of its divisors is an integer number (2912715).

Almost surely, 2^51478344 is an apocalyptic number.

It is an amenable number.

51478344 is an abundant number, since it is smaller than the sum of its proper divisors (88331976).

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

51478344 is a wasteful number, since it uses less digits than its factorization.

51478344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 2003 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 51478344 is about 7174.8410435354. The cubic root of 51478344 is about 371.9987859829.

The spelling of 51478344 in words is "fifty-one million, four hundred seventy-eight thousand, three hundred forty-four".