50515216 has 20 divisors (see below), whose sum is σ = 101249100. Its totient is φ = 24386432.

The previous prime is 50515193. The next prime is 50515229. The reversal of 50515216 is 61251505.

It can be written as a sum of positive squares in 2 ways, for example, as 28047616 + 22467600 = 5296^2 + 4740^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53971 + ... + 54898.

It is an arithmetic number, because the mean of its divisors is an integer number (5062455).

Almost surely, 2^50515216 is an apocalyptic number.

It is an amenable number.

50515216 is an abundant number, since it is smaller than the sum of its proper divisors (50733884).

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

50515216 is a wasteful number, since it uses less digits than its factorization.

50515216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108906 (or 108900 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 50515216 is about 7107.4057151678. The cubic root of 50515216 is about 369.6642095924.

The spelling of 50515216 in words is "fifty million, five hundred fifteen thousand, two hundred sixteen".