52393493 has 4 divisors (see below), whose sum is σ = 52414668. Its totient is φ = 52372320.

The previous prime is 52393477. The next prime is 52393547. The reversal of 52393493 is 39439325.

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 20775364 + 31618129 = 4558^2 + 5623^2 .

It is a cyclic number.

It is not a de Polignac number, because 52393493 - 2⁴ = 52393477 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 (52393403) 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, 6296 + ... + 12017.

It is an arithmetic number, because the mean of its divisors is an integer number (13103667).

Almost surely, 2^52393493 is an apocalyptic number.

It is an amenable number.

52393493 is a deficient number, since it is larger than the sum of its proper divisors (21175).

52393493 is a wasteful number, since it uses less digits than its factorization.

52393493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21174.

The product of its digits is 87480, while the sum is 38.

The square root of 52393493 is about 7238.3349604726. The cubic root of 52393493 is about 374.1902360858.

The spelling of 52393493 in words is "fifty-two million, three hundred ninety-three thousand, four hundred ninety-three".