50530380 has 24 divisors (see below), whose sum is σ = 141485232. Its totient is φ = 13474752.

The previous prime is 50530369. The next prime is 50530393. The reversal of 50530380 is 8303505.

It is a self number, because there is not a number n which added to its sum of digits gives 50530380.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421027 + ... + 421146.

It is an arithmetic number, because the mean of its divisors is an integer number (5895218).

Almost surely, 2^50530380 is an apocalyptic number.

It is an amenable number.

50530380 is an abundant number, since it is smaller than the sum of its proper divisors (90954852).

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

50530380 is a wasteful number, since it uses less digits than its factorization.

50530380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842185 (or 842183 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 50530380 is about 7108.4724097376. The cubic root of 50530380 is about 369.7011953279.

Adding to 50530380 its reverse (8303505), we get a palindrome (58833885).

The spelling of 50530380 in words is "fifty million, five hundred thirty thousand, three hundred eighty".