53689173 has 8 divisors (see below), whose sum is σ = 71632128. Its totient is φ = 35769504.

The previous prime is 53689157. The next prime is 53689187. The reversal of 53689173 is 37198635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53689173 - 2⁴ = 53689157 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53689073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561 + ... + 10377.

It is an arithmetic number, because the mean of its divisors is an integer number (8954016).

Almost surely, 2^53689173 is an apocalyptic number.

It is an amenable number.

53689173 is a deficient number, since it is larger than the sum of its proper divisors (17942955).

53689173 is a wasteful number, since it uses less digits than its factorization.

53689173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643.

The product of its digits is 136080, while the sum is 42.

The square root of 53689173 is about 7327.2896080338. The cubic root of 53689173 is about 377.2497014816.

It can be divided in two parts, 5368 and 9173, that added together give a palindrome (14541).

The spelling of 53689173 in words is "fifty-three million, six hundred eighty-nine thousand, one hundred seventy-three".