50505320 has 16 divisors (see below), whose sum is σ = 113637060. Its totient is φ = 20202112.

The previous prime is 50505311. The next prime is 50505331. The reversal of 50505320 is 2350505.

It can be written as a sum of positive squares in 2 ways, for example, as 49308484 + 1196836 = 7022^2 + 1094^2 .

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 = 50505292 and 50505301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631277 + ... + 631356.

Almost surely, 2^50505320 is an apocalyptic number.

It is an amenable number.

50505320 is an abundant number, since it is smaller than the sum of its proper divisors (63131740).

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

50505320 is a wasteful number, since it uses less digits than its factorization.

50505320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262644 (or 1262640 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 50505320 is about 7106.7095058121. The cubic root of 50505320 is about 369.6400687743.

Adding to 50505320 its reverse (2350505), we get a palindrome (52855825).

The spelling of 50505320 in words is "fifty million, five hundred five thousand, three hundred twenty".