52243206445 has 4 divisors (see below), whose sum is σ = 62691847740. Its totient is φ = 41794565152.

The previous prime is 52243206443. The next prime is 52243206473. The reversal of 52243206445 is 54460234225.

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 34507892169 + 17735314276 = 185763^2 + 133174^2 .

It is a cyclic number.

It is not a de Polignac number, because 52243206445 - 2¹ = 52243206443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52243206443) 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, 5224320640 + ... + 5224320649.

It is an arithmetic number, because the mean of its divisors is an integer number (15672961935).

Almost surely, 2^52243206445 is an apocalyptic number.

It is an amenable number.

52243206445 is a deficient number, since it is larger than the sum of its proper divisors (10448641295).

52243206445 is a wasteful number, since it uses less digits than its factorization.

52243206445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10448641294.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 52243206445 in words is "fifty-two billion, two hundred forty-three million, two hundred six thousand, four hundred forty-five".