4550385 has 48 divisors (see below), whose sum is σ = 8733312. Its totient is φ = 2016000.

The previous prime is 4550383. The next prime is 4550387. The reversal of 4550385 is 5830554.

It is an interprime number because it is at equal distance from previous prime (4550383) and next prime (4550387).

It is not a de Polignac number, because 4550385 - 2¹ = 4550383 is a prime.

4550385 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30060 + ... + 30210.

It is an arithmetic number, because the mean of its divisors is an integer number (181944).

Almost surely, 2^4550385 is an apocalyptic number.

It is an amenable number.

4550385 is a deficient number, since it is larger than the sum of its proper divisors (4182927).

4550385 is a wasteful number, since it uses less digits than its factorization.

4550385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 4550385 is about 2133.1631442532. The cubic root of 4550385 is about 165.7102532496.

The spelling of 4550385 in words is "four million, five hundred fifty thousand, three hundred eighty-five".