52500385 has 16 divisors (see below), whose sum is σ = 72147456. Its totient is φ = 35926848.

The previous prime is 52500367. The next prime is 52500389. The reversal of 52500385 is 58300525.

It is a cyclic number.

It is not a de Polignac number, because 52500385 - 2¹¹ = 52498337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52500389) 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 15 ways as a sum of consecutive naturals, for example, 20232 + ... + 22678.

It is an arithmetic number, because the mean of its divisors is an integer number (4509216).

Almost surely, 2^52500385 is an apocalyptic number.

It is an amenable number.

52500385 is a deficient number, since it is larger than the sum of its proper divisors (19647071).

52500385 is a wasteful number, since it uses less digits than its factorization.

52500385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 52500385 is about 7245.7149405700. The cubic root of 52500385 is about 374.4445346653. Note that the first 3 decimals are identical.

The spelling of 52500385 in words is "fifty-two million, five hundred thousand, three hundred eighty-five".