52566147 has 6 divisors (see below), whose sum is σ = 75928892. Its totient is φ = 35044092.

The previous prime is 52566139. The next prime is 52566161. The reversal of 52566147 is 74166525.

It is a happy number.

52566147 is a `hidden beast` number, since 52 + 566 + 1 + 47 = 666.

It is not a de Polignac number, because 52566147 - 2³ = 52566139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52566347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2920333 + ... + 2920350.

Almost surely, 2^52566147 is an apocalyptic number.

52566147 is a deficient number, since it is larger than the sum of its proper divisors (23362745).

52566147 is a wasteful number, since it uses less digits than its factorization.

52566147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840689 (or 5840686 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 52566147 is about 7250.2515128787. The cubic root of 52566147 is about 374.6008125491.

The spelling of 52566147 in words is "fifty-two million, five hundred sixty-six thousand, one hundred forty-seven".