52047403321 has 3 divisors (see below), whose sum is σ = 52047631461. Its totient is φ = 52047175182.

The previous prime is 52047403307. The next prime is 52047403379. The reversal of 52047403321 is 12330474025.

It is a happy number.

The square root of 52047403321 is 228139.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 52047403321 - 2¹⁹ = 52046879033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52047403391) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 114070 + ... + 342208.

It is an arithmetic number, because the mean of its divisors is an integer number (17349210487).

Almost surely, 2^52047403321 is an apocalyptic number.

52047403321 is the 228139-th square number.

52047403321 is the 114070-th centered octagonal number.

It is an amenable number.

52047403321 is a deficient number, since it is larger than the sum of its proper divisors (228140).

52047403321 is an frugal number, since it uses more digits than its factorization.

52047403321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456278 (or 228139 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 52047403321 its reverse (12330474025), we get a palindrome (64377877346).

The spelling of 52047403321 in words is "fifty-two billion, forty-seven million, four hundred three thousand, three hundred twenty-one".