50569221 has 8 divisors (see below), whose sum is σ = 67695264. Its totient is φ = 33578000.

The previous prime is 50569199. The next prime is 50569231. The reversal of 50569221 is 12296505.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50569221 - 2⁷ = 50569093 is a prime.

It is a super-2 number, since 2×50569221² = 5114492225093682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50569231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32826 + ... + 34331.

It is an arithmetic number, because the mean of its divisors is an integer number (8461908).

Almost surely, 2^50569221 is an apocalyptic number.

It is an amenable number.

50569221 is a deficient number, since it is larger than the sum of its proper divisors (17126043).

50569221 is a wasteful number, since it uses less digits than its factorization.

50569221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67411.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 50569221 is about 7111.2039065126. The cubic root of 50569221 is about 369.7958966836.

The spelling of 50569221 in words is "fifty million, five hundred sixty-nine thousand, two hundred twenty-one".