52441421393 has 4 divisors (see below), whose sum is σ = 53430882228. Its totient is φ = 51451960560.

The previous prime is 52441421369. The next prime is 52441421401. The reversal of 52441421393 is 39312414425.

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 39881288209 + 12560133184 = 199703^2 + 112072^2 .

It is a cyclic number.

It is not a de Polignac number, because 52441421393 - 2¹² = 52441417297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52441421303) 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, 494730338 + ... + 494730443.

It is an arithmetic number, because the mean of its divisors is an integer number (13357720557).

Almost surely, 2^52441421393 is an apocalyptic number.

52441421393 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

52441421393 is a deficient number, since it is larger than the sum of its proper divisors (989460835).

52441421393 is an equidigital number, since it uses as much as digits as its factorization.

52441421393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989460834.

The product of its digits is 103680, while the sum is 38.

The spelling of 52441421393 in words is "fifty-two billion, four hundred forty-one million, four hundred twenty-one thousand, three hundred ninety-three".