50505216 has 80 divisors (see below), whose sum is σ = 136116288. Its totient is φ = 16640000.

The previous prime is 50505199. The next prime is 50505227. The reversal of 50505216 is 61250505.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201091 + ... + 201341.

Almost surely, 2^50505216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50505216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68058144).

50505216 is an abundant number, since it is smaller than the sum of its proper divisors (85611072).

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

50505216 is a wasteful number, since it uses less digits than its factorization.

50505216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 50505216 is about 7106.7021887793. The cubic root of 50505216 is about 369.6398150545.

It can be divided in two parts, 50505 and 216, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 50505216 in words is "fifty million, five hundred five thousand, two hundred sixteen".