52410450221 has 4 divisors (see below), whose sum is σ = 54689165472. Its totient is φ = 50131734972.

The previous prime is 52410450133. The next prime is 52410450223. The reversal of 52410450221 is 12205401425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52410450221 - 2³⁴ = 35230581037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52410450223) 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, 1139357591 + ... + 1139357636.

It is an arithmetic number, because the mean of its divisors is an integer number (13672291368).

Almost surely, 2^52410450221 is an apocalyptic number.

It is an amenable number.

52410450221 is a deficient number, since it is larger than the sum of its proper divisors (2278715251).

52410450221 is a wasteful number, since it uses less digits than its factorization.

52410450221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278715250.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 52410450221 its reverse (12205401425), we get a palindrome (64615851646).

The spelling of 52410450221 in words is "fifty-two billion, four hundred ten million, four hundred fifty thousand, two hundred twenty-one".