52548281 has 8 divisors (see below), whose sum is σ = 56358720. Its totient is φ = 48842352.

The previous prime is 52548259. The next prime is 52548283. The reversal of 52548281 is 18284525.

It is a happy number.

52548281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52548281 is a prime.

It is a super-2 number, since 2×52548281² = 5522643672109922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52548283) 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, 25085 + ... + 27098.

It is an arithmetic number, because the mean of its divisors is an integer number (7044840).

Almost surely, 2^52548281 is an apocalyptic number.

It is an amenable number.

52548281 is a deficient number, since it is larger than the sum of its proper divisors (3810439).

52548281 is a wasteful number, since it uses less digits than its factorization.

52548281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52255.

The product of its digits is 25600, while the sum is 35.

The square root of 52548281 is about 7249.0193129830. The cubic root of 52548281 is about 374.5583683979.

The spelling of 52548281 in words is "fifty-two million, five hundred forty-eight thousand, two hundred eighty-one".