52043052521 has 4 divisors (see below), whose sum is σ = 53253356112. Its totient is φ = 50832748932.

The previous prime is 52043052487. The next prime is 52043052533. The reversal of 52043052521 is 12525034025.

52043052521 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 52043052521 - 2¹⁰ = 52043051497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52043052571) 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, 605151731 + ... + 605151816.

It is an arithmetic number, because the mean of its divisors is an integer number (13313339028).

Almost surely, 2^52043052521 is an apocalyptic number.

It is an amenable number.

52043052521 is a deficient number, since it is larger than the sum of its proper divisors (1210303591).

52043052521 is a wasteful number, since it uses less digits than its factorization.

52043052521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210303590.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 52043052521 its reverse (12525034025), we get a palindrome (64568086546).

The spelling of 52043052521 in words is "fifty-two billion, forty-three million, fifty-two thousand, five hundred twenty-one".