51751338 has 16 divisors (see below), whose sum is σ = 106841856. Its totient is φ = 16693920.

The previous prime is 51751331. The next prime is 51751351. The reversal of 51751338 is 83315715.

51751338 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 = 51751299 and 51751308.

It is not an unprimeable number, because it can be changed into a prime (51751331) 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 7 ways as a sum of consecutive naturals, for example, 138931 + ... + 139302.

It is an arithmetic number, because the mean of its divisors is an integer number (6677616).

Almost surely, 2^51751338 is an apocalyptic number.

51751338 is an abundant number, since it is smaller than the sum of its proper divisors (55090518).

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

51751338 is a wasteful number, since it uses less digits than its factorization.

51751338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278269.

The product of its digits is 12600, while the sum is 33.

The square root of 51751338 is about 7193.8402817966. The cubic root of 51751338 is about 372.6552073065.

The spelling of 51751338 in words is "fifty-one million, seven hundred fifty-one thousand, three hundred thirty-eight".