52042478593 has 4 divisors (see below), whose sum is σ = 59477118400. Its totient is φ = 44607838788.

The previous prime is 52042478581. The next prime is 52042478611. The reversal of 52042478593 is 39587424025.

It is a happy number.

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-52042478593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52042478503) 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, 3717319893 + ... + 3717319906.

It is an arithmetic number, because the mean of its divisors is an integer number (14869279600).

Almost surely, 2^52042478593 is an apocalyptic number.

It is an amenable number.

52042478593 is a deficient number, since it is larger than the sum of its proper divisors (7434639807).

52042478593 is an equidigital number, since it uses as much as digits as its factorization.

52042478593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434639806.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 52042478593 in words is "fifty-two billion, forty-two million, four hundred seventy-eight thousand, five hundred ninety-three".