50031216 has 80 divisors (see below), whose sum is σ = 144633600. Its totient is φ = 16558272.

The previous prime is 50031203. The next prime is 50031217. The reversal of 50031216 is 61213005.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50031217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77005 + ... + 77651.

It is an arithmetic number, because the mean of its divisors is an integer number (1807920).

Almost surely, 2^50031216 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 50031216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72316800).

50031216 is an abundant number, since it is smaller than the sum of its proper divisors (94602384).

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

50031216 is a wasteful number, since it uses less digits than its factorization.

50031216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 50031216 is about 7073.2747719850. The cubic root of 50031216 is about 368.4798010661.

The spelling of 50031216 in words is "fifty million, thirty-one thousand, two hundred sixteen".