52864481 has 2 divisors, whose sum is σ = 52864482. Its totient is φ = 52864480.

The previous prime is 52864463. The next prime is 52864523. The reversal of 52864481 is 18446825.

It is a happy number.

52864481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44102881 + 8761600 = 6641^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 52864481 - 2²² = 48670177 is a prime.

It is a super-2 number, since 2×52864481² = 5589306702798722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52864411) 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 as a sum of consecutive naturals, namely, 26432240 + 26432241.

It is an arithmetic number, because the mean of its divisors is an integer number (26432241).

Almost surely, 2^52864481 is an apocalyptic number.

It is an amenable number.

52864481 is a deficient number, since it is larger than the sum of its proper divisors (1).

52864481 is an equidigital number, since it uses as much as digits as its factorization.

52864481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 38.

The square root of 52864481 is about 7270.7964488081. The cubic root of 52864481 is about 375.3081461273.

The spelling of 52864481 in words is "fifty-two million, eight hundred sixty-four thousand, four hundred eighty-one".