50409216 has 360 divisors, whose sum is σ = 186976944. Its totient is φ = 13271040.

The previous prime is 50409181. The next prime is 50409253. The reversal of 50409216 is 61290405.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 50409216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2965240 + ... + 2965256.

Almost surely, 2^50409216 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 50409216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93488472).

50409216 is an abundant number, since it is smaller than the sum of its proper divisors (136567728).

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

50409216 is a wasteful number, since it uses less digits than its factorization.

50409216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 50409216 is about 7099.9447885177. The cubic root of 50409216 is about 369.4054634877.

It can be divided in two parts, 50409 and 216, that added together give a 4-th power (50625 = 15⁴).

The spelling of 50409216 in words is "fifty million, four hundred nine thousand, two hundred sixteen".