51689314 has 8 divisors (see below), whose sum is σ = 78287040. Its totient is φ = 25593636.

The previous prime is 51689279. The next prime is 51689317. The reversal of 51689314 is 41398615.

51689314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51689317) 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, 125254 + ... + 125665.

It is an arithmetic number, because the mean of its divisors is an integer number (9785880).

Almost surely, 2^51689314 is an apocalyptic number.

51689314 is a deficient number, since it is larger than the sum of its proper divisors (26597726).

51689314 is a wasteful number, since it uses less digits than its factorization.

51689314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251024.

The product of its digits is 25920, while the sum is 37.

The square root of 51689314 is about 7189.5280790884. The cubic root of 51689314 is about 372.5062719842.

It can be divided in two parts, 51689 and 314, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 51689314 in words is "fifty-one million, six hundred eighty-nine thousand, three hundred fourteen".