52447113 has 12 divisors (see below), whose sum is σ = 76144068. Its totient is φ = 34786080.

The previous prime is 52447079. The next prime is 52447121. The reversal of 52447113 is 31174425.

It can be written as a sum of positive squares in 2 ways, for example, as 46744569 + 5702544 = 6837^2 + 2388^2 .

It is not a de Polignac number, because 52447113 - 2¹⁰ = 52446089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52447123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13018 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (6345339).

Almost surely, 2^52447113 is an apocalyptic number.

It is an amenable number.

52447113 is a deficient number, since it is larger than the sum of its proper divisors (23696955).

52447113 is a wasteful number, since it uses less digits than its factorization.

52447113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29784 (or 29781 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 52447113 is about 7242.0379037948. The cubic root of 52447113 is about 374.3178425155.

The spelling of 52447113 in words is "fifty-two million, four hundred forty-seven thousand, one hundred thirteen".