50322240 has 168 divisors, whose sum is σ = 175811688. Its totient is φ = 13209600.

The previous prime is 50322199. The next prime is 50322247. The reversal of 50322240 is 4222305.

It can be written as a sum of positive squares in 4 ways, for example, as 28643904 + 21678336 = 5352^2 + 4656^2 .

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 (50322247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290794 + ... + 290966.

Almost surely, 2^50322240 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 50322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87905844).

50322240 is an abundant number, since it is smaller than the sum of its proper divisors (125489448).

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

50322240 is a wasteful number, since it uses less digits than its factorization.

50322240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 50322240 is about 7093.8170261151. The cubic root of 50322240 is about 369.1928839334.

Adding to 50322240 its reverse (4222305), we get a palindrome (54544545).

The spelling of 50322240 in words is "fifty million, three hundred twenty-two thousand, two hundred forty".