53389173 has 4 divisors (see below), whose sum is σ = 71185568. Its totient is φ = 35592780.

The previous prime is 53389139. The next prime is 53389177. The reversal of 53389173 is 37198335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53389173 - 2⁶ = 53389109 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 (53389177) 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, 8898193 + ... + 8898198.

It is an arithmetic number, because the mean of its divisors is an integer number (17796392).

Almost surely, 2^53389173 is an apocalyptic number.

It is an amenable number.

53389173 is a deficient number, since it is larger than the sum of its proper divisors (17796395).

53389173 is a wasteful number, since it uses less digits than its factorization.

53389173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17796394.

The product of its digits is 68040, while the sum is 39.

The square root of 53389173 is about 7306.7895138700. The cubic root of 53389173 is about 376.5457335774.

The spelling of 53389173 in words is "fifty-three million, three hundred eighty-nine thousand, one hundred seventy-three".