50522189 has 4 divisors (see below), whose sum is σ = 50784156. Its totient is φ = 50260224.

The previous prime is 50522177. The next prime is 50522201. The reversal of 50522189 is 98122505.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (50522177) and next prime (50522201).

It can be written as a sum of positive squares in 2 ways, for example, as 8076964 + 42445225 = 2842^2 + 6515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50522189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50522389) 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 3 ways as a sum of consecutive naturals, for example, 130694 + ... + 131079.

It is an arithmetic number, because the mean of its divisors is an integer number (12696039).

Almost surely, 2^50522189 is an apocalyptic number.

It is an amenable number.

50522189 is a deficient number, since it is larger than the sum of its proper divisors (261967).

50522189 is a wasteful number, since it uses less digits than its factorization.

50522189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261966.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 50522189 is about 7107.8962429118. The cubic root of 50522189 is about 369.6812179986.

The spelling of 50522189 in words is "fifty million, five hundred twenty-two thousand, one hundred eighty-nine".