52166656 has 38 divisors (see below), whose sum is σ = 104857400. Its totient is φ = 25952256.

The previous prime is 52166641. The next prime is 52166657. The reversal of 52166656 is 65666125.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52166657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262045 + ... + 262243.

Almost surely, 2^52166656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52166656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52428700).

52166656 is an abundant number, since it is smaller than the sum of its proper divisors (52690744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52166656 is an frugal number, since it uses more digits than its factorization.

52166656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 201 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 52166656 is about 7222.6488215889. The cubic root of 52166656 is about 373.6494374921.

The spelling of 52166656 in words is "fifty-two million, one hundred sixty-six thousand, six hundred fifty-six".