53733189 has 4 divisors (see below), whose sum is σ = 71644256. Its totient is φ = 35822124.

The previous prime is 53733179. The next prime is 53733191. The reversal of 53733189 is 98133735.

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 53733189 - 2⁸ = 53732933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53733179) 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, 8955529 + ... + 8955534.

It is an arithmetic number, because the mean of its divisors is an integer number (17911064).

Almost surely, 2^53733189 is an apocalyptic number.

It is an amenable number.

53733189 is a deficient number, since it is larger than the sum of its proper divisors (17911067).

53733189 is a wasteful number, since it uses less digits than its factorization.

53733189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17911066.

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

The square root of 53733189 is about 7330.2925589638. The cubic root of 53733189 is about 377.3527668747.

The spelling of 53733189 in words is "fifty-three million, seven hundred thirty-three thousand, one hundred eighty-nine".