52042215252 has 12 divisors (see below), whose sum is σ = 121431835616. Its totient is φ = 17347405080.

The previous prime is 52042215133. The next prime is 52042215257. The reversal of 52042215252 is 25251224025.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52042215257) 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, 2168425624 + ... + 2168425647.

Almost surely, 2^52042215252 is an apocalyptic number.

It is an amenable number.

52042215252 is an abundant number, since it is smaller than the sum of its proper divisors (69389620364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52042215252 is a wasteful number, since it uses less digits than its factorization.

52042215252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336851278 (or 4336851276 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 52042215252 its reverse (25251224025), we get a palindrome (77293439277).

The spelling of 52042215252 in words is "fifty-two billion, forty-two million, two hundred fifteen thousand, two hundred fifty-two".