52003385 has 32 divisors (see below), whose sum is σ = 73792512. Its totient is φ = 34444800.

The previous prime is 52003373. The next prime is 52003387. The reversal of 52003385 is 58330025.

It is a de Polignac number, because none of the positive numbers 2^k-52003385 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52003387) 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 31 ways as a sum of consecutive naturals, for example, 165989 + ... + 166301.

It is an arithmetic number, because the mean of its divisors is an integer number (2306016).

Almost surely, 2^52003385 is an apocalyptic number.

It is an amenable number.

52003385 is a deficient number, since it is larger than the sum of its proper divisors (21789127).

52003385 is a wasteful number, since it uses less digits than its factorization.

52003385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 52003385 is about 7211.3372546290. The cubic root of 52003385 is about 373.2592145767.

The spelling of 52003385 in words is "fifty-two million, three thousand, three hundred eighty-five".