50122240 has 80 divisors (see below), whose sum is σ = 137392992. Its totient is φ = 17178624.

The previous prime is 50122229. The next prime is 50122243. The reversal of 50122240 is 4222105.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50122243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16522 + ... + 19318.

Almost surely, 2^50122240 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 50122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68696496).

50122240 is an abundant number, since it is smaller than the sum of its proper divisors (87270752).

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

50122240 is an equidigital number, since it uses as much as digits as its factorization.

50122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 50122240 is about 7079.7062085937. The cubic root of 50122240 is about 368.7031295402.

Adding to 50122240 its reverse (4222105), we get a palindrome (54344345).

The spelling of 50122240 in words is "fifty million, one hundred twenty-two thousand, two hundred forty".