50505018 has 8 divisors (see below), whose sum is σ = 101010048. Its totient is φ = 16835004.

The previous prime is 50505017. The next prime is 50505023. The reversal of 50505018 is 81050505.

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

50505018 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50505017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208746 + ... + 4208757.

It is an arithmetic number, because the mean of its divisors is an integer number (12626256).

Almost surely, 2^50505018 is an apocalyptic number.

50505018 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.

50505018 is a wasteful number, since it uses less digits than its factorization.

50505018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417508.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 50505018 is about 7106.6882582536. The cubic root of 50505018 is about 369.6393320101.

The spelling of 50505018 in words is "fifty million, five hundred five thousand, eighteen".