50223720 has 128 divisors (see below), whose sum is σ = 162570240. Its totient is φ = 12376320.

The previous prime is 50223709. The next prime is 50223721. The reversal of 50223720 is 2732205.

It is not an unprimeable number, because it can be changed into a prime (50223721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85267 + ... + 85853.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^50223720 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 50223720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81285120).

50223720 is an abundant number, since it is smaller than the sum of its proper divisors (112346520).

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

50223720 is a wasteful number, since it uses less digits than its factorization.

50223720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 50223720 is about 7086.8695486794. The cubic root of 50223720 is about 368.9517934102.

Adding to 50223720 its reverse (2732205), we get a palindrome (52955925).

The spelling of 50223720 in words is "fifty million, two hundred twenty-three thousand, seven hundred twenty".