518685054 has 8 divisors (see below), whose sum is σ = 1037370120. Its totient is φ = 172895016.

The previous prime is 518685023. The next prime is 518685073. The reversal of 518685054 is 450586815.

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

518685054 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 518684997 and 518685015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43223749 + ... + 43223760.

It is an arithmetic number, because the mean of its divisors is an integer number (129671265).

Almost surely, 2^518685054 is an apocalyptic number.

518685054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

518685054 is a wasteful number, since it uses less digits than its factorization.

518685054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86447514.

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 518685054 is about 22774.6581533072. The cubic root of 518685054 is about 803.4667542764.

The spelling of 518685054 in words is "five hundred eighteen million, six hundred eighty-five thousand, fifty-four".