52247693 has 4 divisors (see below), whose sum is σ = 52983648. Its totient is φ = 51511740.

The previous prime is 52247669. The next prime is 52247707. The reversal of 52247693 is 39674225.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52247693 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 (52246693) 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, 367871 + ... + 368012.

It is an arithmetic number, because the mean of its divisors is an integer number (13245912).

Almost surely, 2^52247693 is an apocalyptic number.

It is an amenable number.

52247693 is a deficient number, since it is larger than the sum of its proper divisors (735955).

52247693 is an equidigital number, since it uses as much as digits as its factorization.

52247693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735954.

The product of its digits is 90720, while the sum is 38.

The square root of 52247693 is about 7228.2565671122. The cubic root of 52247693 is about 373.8428162156.

The spelling of 52247693 in words is "fifty-two million, two hundred forty-seven thousand, six hundred ninety-three".