51489514 has 8 divisors (see below), whose sum is σ = 78212160. Its totient is φ = 25418796.

The previous prime is 51489509. The next prime is 51489517. The reversal of 51489514 is 41598415.

51489514 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 (51489517) 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, 162784 + ... + 163099.

It is an arithmetic number, because the mean of its divisors is an integer number (9776520).

Almost surely, 2^51489514 is an apocalyptic number.

51489514 is a deficient number, since it is larger than the sum of its proper divisors (26722646).

51489514 is a wasteful number, since it uses less digits than its factorization.

51489514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325964.

The product of its digits is 28800, while the sum is 37.

The square root of 51489514 is about 7175.6194157717. The cubic root of 51489514 is about 372.0256900206.

It can be divided in two parts, 51489 and 514, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 51489514 in words is "fifty-one million, four hundred eighty-nine thousand, five hundred fourteen".