52522030321 has 4 divisors (see below), whose sum is σ = 53941544692. Its totient is φ = 51102515952.

The previous prime is 52522030313. The next prime is 52522030331. The reversal of 52522030321 is 12303022525.

52522030321 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.

It can be written as a sum of positive squares in 2 ways, for example, as 38128029696 + 14394000625 = 195264^2 + 119975^2 .

It is a cyclic number.

It is not a de Polignac number, because 52522030321 - 2³ = 52522030313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52522030331) 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, 709757130 + ... + 709757203.

It is an arithmetic number, because the mean of its divisors is an integer number (13485386173).

Almost surely, 2^52522030321 is an apocalyptic number.

It is an amenable number.

52522030321 is a deficient number, since it is larger than the sum of its proper divisors (1419514371).

52522030321 is a wasteful number, since it uses less digits than its factorization.

52522030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419514370.

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

Adding to 52522030321 its reverse (12303022525), we get a palindrome (64825052846).

The spelling of 52522030321 in words is "fifty-two billion, five hundred twenty-two million, thirty thousand, three hundred twenty-one".