53189593 has 8 divisors (see below), whose sum is σ = 56023488. Its totient is φ = 50399184.

The previous prime is 53189557. The next prime is 53189627. The reversal of 53189593 is 39598135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53189593 is a prime.

It is a super-3 number, since 3×53189593³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53189533) 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, 8346 + ... + 13267.

It is an arithmetic number, because the mean of its divisors is an integer number (7002936).

Almost surely, 2^53189593 is an apocalyptic number.

It is an amenable number.

53189593 is a deficient number, since it is larger than the sum of its proper divisors (2833895).

53189593 is a wasteful number, since it uses less digits than its factorization.

53189593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21743.

The product of its digits is 145800, while the sum is 43.

The square root of 53189593 is about 7293.1195657277. The cubic root of 53189593 is about 376.0759452185.

The spelling of 53189593 in words is "fifty-three million, one hundred eighty-nine thousand, five hundred ninety-three".