52109666 has 32 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 21039696.

The previous prime is 52109627. The next prime is 52109671. The reversal of 52109666 is 66690125.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59951 + ... + 60813.

It is an arithmetic number, because the mean of its divisors is an integer number (2954880).

Almost surely, 2^52109666 is an apocalyptic number.

52109666 is a deficient number, since it is larger than the sum of its proper divisors (42446494).

52109666 is a wasteful number, since it uses less digits than its factorization.

52109666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 52109666 is about 7218.7025149953. The cubic root of 52109666 is about 373.5133221893.

The spelling of 52109666 in words is "fifty-two million, one hundred nine thousand, six hundred sixty-six".