50820320 has 96 divisors (see below), whose sum is σ = 125991936. Its totient is φ = 19353600.

The previous prime is 50820313. The next prime is 50820331. The reversal of 50820320 is 2302805.

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

It is a junction number, because it is equal to n+sod(n) for n = 50820292 and 50820301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400097 + ... + 400223.

It is an arithmetic number, because the mean of its divisors is an integer number (1312416).

Almost surely, 2^50820320 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 50820320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62995968).

50820320 is an abundant number, since it is smaller than the sum of its proper divisors (75171616).

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

50820320 is a wasteful number, since it uses less digits than its factorization.

50820320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 50820320 is about 7128.8372123369. The cubic root of 50820320 is about 370.4069542332.

The spelling of 50820320 in words is "fifty million, eight hundred twenty thousand, three hundred twenty".