53817189 has 16 divisors (see below), whose sum is σ = 77227200. Its totient is φ = 33212160.

The previous prime is 53817187. The next prime is 53817199. The reversal of 53817189 is 98171835.

It is not a de Polignac number, because 53817189 - 2¹ = 53817187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53817189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53817187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5539 + ... + 11760.

It is an arithmetic number, because the mean of its divisors is an integer number (4826700).

Almost surely, 2^53817189 is an apocalyptic number.

It is an amenable number.

53817189 is a deficient number, since it is larger than the sum of its proper divisors (23410011).

53817189 is a wasteful number, since it uses less digits than its factorization.

53817189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17380.

The product of its digits is 60480, while the sum is 42.

The square root of 53817189 is about 7336.0199699837. The cubic root of 53817189 is about 377.5493004630.

The spelling of 53817189 in words is "fifty-three million, eight hundred seventeen thousand, one hundred eighty-nine".