52166447 has 8 divisors (see below), whose sum is σ = 54054000. Its totient is φ = 50284864.

The previous prime is 52166437. The next prime is 52166467. The reversal of 52166447 is 74466125.

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

It is a cyclic number.

It is not a de Polignac number, because 52166447 - 2⁴ = 52166431 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52166417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23804 + ... + 25902.

It is an arithmetic number, because the mean of its divisors is an integer number (6756750).

Almost surely, 2^52166447 is an apocalyptic number.

52166447 is a deficient number, since it is larger than the sum of its proper divisors (1887553).

52166447 is a wasteful number, since it uses less digits than its factorization.

52166447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985.

The product of its digits is 40320, while the sum is 35.

The square root of 52166447 is about 7222.6343531983. The cubic root of 52166447 is about 373.6489384962.

The spelling of 52166447 in words is "fifty-two million, one hundred sixty-six thousand, four hundred forty-seven".