50021272 has 16 divisors (see below), whose sum is σ = 107188560. Its totient is φ = 21437664.

The previous prime is 50021267. The next prime is 50021273. The reversal of 50021272 is 27212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50021273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446563 + ... + 446674.

It is an arithmetic number, because the mean of its divisors is an integer number (6699285).

Almost surely, 2^50021272 is an apocalyptic number.

It is an amenable number.

50021272 is an abundant number, since it is smaller than the sum of its proper divisors (57167288).

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

50021272 is a wasteful number, since it uses less digits than its factorization.

50021272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893250 (or 893246 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 50021272 is about 7072.5718094622. The cubic root of 50021272 is about 368.4553869355.

Adding to 50021272 its reverse (27212005), we get a palindrome (77233277).

The spelling of 50021272 in words is "fifty million, twenty-one thousand, two hundred seventy-two".