53190189 has 20 divisors (see below), whose sum is σ = 85570716. Its totient is φ = 32731776.

The previous prime is 53190143. The next prime is 53190199. The reversal of 53190189 is 98109135.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30437289 + 22752900 = 5517^2 + 4770^2 .

It is not a de Polignac number, because 53190189 - 2¹¹ = 53188141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53190119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24204 + ... + 26309.

Almost surely, 2^53190189 is an apocalyptic number.

It is an amenable number.

53190189 is a deficient number, since it is larger than the sum of its proper divisors (32380527).

53190189 is a wasteful number, since it uses less digits than its factorization.

53190189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50538 (or 50529 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 53190189 is about 7293.1604260430. The cubic root of 53190189 is about 376.0773498819.

The spelling of 53190189 in words is "fifty-three million, one hundred ninety thousand, one hundred eighty-nine".