52003405312 has 40 divisors (see below), whose sum is σ = 103925866176. Its totient is φ = 25996541952.

The previous prime is 52003405309. The next prime is 52003405313. The reversal of 52003405312 is 21350430025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52003405313) 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, 5057008 + ... + 5067280.

Almost surely, 2^52003405312 is an apocalyptic number.

It is an amenable number.

52003405312 is a deficient number, since it is larger than the sum of its proper divisors (51922460864).

52003405312 is an equidigital number, since it uses as much as digits as its factorization.

52003405312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20178 (or 20162 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 52003405312 its reverse (21350430025), we get a palindrome (73353835337).

The spelling of 52003405312 in words is "fifty-two billion, three million, four hundred five thousand, three hundred twelve".