52718489 has 4 divisors (see below), whose sum is σ = 52736640. Its totient is φ = 52700340.

The previous prime is 52718467. The next prime is 52718531. The reversal of 52718489 is 98481725.

52718489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 52718489 - 2⁸ = 52718233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52718429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3629 + ... + 10890.

It is an arithmetic number, because the mean of its divisors is an integer number (13184160).

Almost surely, 2^52718489 is an apocalyptic number.

It is an amenable number.

52718489 is a deficient number, since it is larger than the sum of its proper divisors (18151).

52718489 is a wasteful number, since it uses less digits than its factorization.

52718489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18150.

The product of its digits is 161280, while the sum is 44.

The square root of 52718489 is about 7260.7498924009. The cubic root of 52718489 is about 374.9623405145.

The spelling of 52718489 in words is "fifty-two million, seven hundred eighteen thousand, four hundred eighty-nine".