50322440 has 64 divisors (see below), whose sum is σ = 131880960. Its totient is φ = 16922880.

The previous prime is 50322409. The next prime is 50322443. The reversal of 50322440 is 4422305.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (50322443) 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, 13145 + ... + 16535.

It is an arithmetic number, because the mean of its divisors is an integer number (2060640).

Almost surely, 2^50322440 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 50322440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65940480).

50322440 is an abundant number, since it is smaller than the sum of its proper divisors (81558520).

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

50322440 is a wasteful number, since it uses less digits than its factorization.

50322440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 50322440 is about 7093.8311228842. The cubic root of 50322440 is about 369.1933730377.

Adding to 50322440 its reverse (4422305), we get a palindrome (54744745).

The spelling of 50322440 in words is "fifty million, three hundred twenty-two thousand, four hundred forty".