50221134 has 40 divisors (see below), whose sum is σ = 113465088. Its totient is φ = 16601760.

The previous prime is 50221133. The next prime is 50221159. The reversal of 50221134 is 43112205.

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

It is a Curzon number.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19354 + ... + 21794.

Almost surely, 2^50221134 is an apocalyptic number.

50221134 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50221134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56732544).

50221134 is an abundant number, since it is smaller than the sum of its proper divisors (63243954).

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

50221134 is a wasteful number, since it uses less digits than its factorization.

50221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 50221134 is about 7086.6870962390. The cubic root of 50221134 is about 368.9454609063.

Adding to 50221134 its reverse (43112205), we get a palindrome (93333339).

The spelling of 50221134 in words is "fifty million, two hundred twenty-one thousand, one hundred thirty-four".