52003666 has 48 divisors (see below), whose sum is σ = 93918528. Its totient is φ = 21403200.

The previous prime is 52003639. The next prime is 52003669. The reversal of 52003666 is 66630025.

It is not an unprimeable number, because it can be changed into a prime (52003669) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 263880 + ... + 264076.

It is an arithmetic number, because the mean of its divisors is an integer number (1956636).

Almost surely, 2^52003666 is an apocalyptic number.

52003666 is a deficient number, since it is larger than the sum of its proper divisors (41914862).

52003666 is a wasteful number, since it uses less digits than its factorization.

52003666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 52003666 is about 7211.3567378129. The cubic root of 52003666 is about 373.2598868768.

The spelling of 52003666 in words is "fifty-two million, three thousand, six hundred sixty-six".