53684189 has 4 divisors (see below), whose sum is σ = 57813756. Its totient is φ = 49554624.

The previous prime is 53684173. The next prime is 53684201. The reversal of 53684189 is 98148635.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36602500 + 17081689 = 6050^2 + 4133^2 .

It is a cyclic number.

It is not a de Polignac number, because 53684189 - 2⁴ = 53684173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53687189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064764 + ... + 2064789.

It is an arithmetic number, because the mean of its divisors is an integer number (14453439).

Almost surely, 2^53684189 is an apocalyptic number.

It is an amenable number.

53684189 is a deficient number, since it is larger than the sum of its proper divisors (4129567).

53684189 is a wasteful number, since it uses less digits than its factorization.

53684189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129566.

The product of its digits is 207360, while the sum is 44.

The square root of 53684189 is about 7326.9495016685. The cubic root of 53684189 is about 377.2380276773.

The spelling of 53684189 in words is "fifty-three million, six hundred eighty-four thousand, one hundred eighty-nine".