50432221 has 12 divisors (see below), whose sum is σ = 60253788. Its totient is φ = 42057792.

The previous prime is 50432219. The next prime is 50432227. The reversal of 50432221 is 12223405.

It can be written as a sum of positive squares in 2 ways, for example, as 37687321 + 12744900 = 6139^2 + 3570^2 .

It is not a de Polignac number, because 50432221 - 2¹ = 50432219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50432227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12096 + ... + 15721.

It is an arithmetic number, because the mean of its divisors is an integer number (5021149).

Almost surely, 2^50432221 is an apocalyptic number.

It is an amenable number.

50432221 is a deficient number, since it is larger than the sum of its proper divisors (9821567).

50432221 is a wasteful number, since it uses less digits than its factorization.

50432221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27868 (or 27861 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 50432221 is about 7101.5646867433. The cubic root of 50432221 is about 369.4616495117.

Adding to 50432221 its reverse (12223405), we get a palindrome (62655626).

It can be divided in two parts, 50432 and 221, that added together give a cube (50653 = 37³).

The spelling of 50432221 in words is "fifty million, four hundred thirty-two thousand, two hundred twenty-one".