52210544321 has 4 divisors (see below), whose sum is σ = 56226740052. Its totient is φ = 48194348592.

The previous prime is 52210544311. The next prime is 52210544327. The reversal of 52210544321 is 12344501225.

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 4550851600 + 47659692721 = 67460^2 + 218311^2 .

It is not a de Polignac number, because 52210544321 - 2⁶ = 52210544257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52210544327) 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, 2008097846 + ... + 2008097871.

It is an arithmetic number, because the mean of its divisors is an integer number (14056685013).

Almost surely, 2^52210544321 is an apocalyptic number.

It is an amenable number.

52210544321 is a deficient number, since it is larger than the sum of its proper divisors (4016195731).

52210544321 is a wasteful number, since it uses less digits than its factorization.

52210544321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016195730.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 52210544321 in words is "fifty-two billion, two hundred ten million, five hundred forty-four thousand, three hundred twenty-one".