52204421345 has 8 divisors (see below), whose sum is σ = 62648959464. Its totient is φ = 41761101184.

The previous prime is 52204421341. The next prime is 52204421363. The reversal of 52204421345 is 54312440225.

It can be written as a sum of positive squares in 4 ways, for example, as 4577469649 + 47626951696 = 67657^2 + 218236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52204421345 - 2² = 52204421341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52204421341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207374 + ... + 383943.

It is an arithmetic number, because the mean of its divisors is an integer number (7831119933).

Almost surely, 2^52204421345 is an apocalyptic number.

It is an amenable number.

52204421345 is a deficient number, since it is larger than the sum of its proper divisors (10444538119).

52204421345 is a wasteful number, since it uses less digits than its factorization.

52204421345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608979.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 52204421345 in words is "fifty-two billion, two hundred four million, four hundred twenty-one thousand, three hundred forty-five".