4509550 has 12 divisors (see below), whose sum is σ = 8387856. Its totient is φ = 1803800.

The previous prime is 4509503. The next prime is 4509551. The reversal of 4509550 is 559054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4509551) 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 5 ways as a sum of consecutive naturals, for example, 45046 + ... + 45145.

It is an arithmetic number, because the mean of its divisors is an integer number (698988).

Almost surely, 2^4509550 is an apocalyptic number.

4509550 is a deficient number, since it is larger than the sum of its proper divisors (3878306).

4509550 is a wasteful number, since it uses less digits than its factorization.

4509550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90203 (or 90198 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 4509550 is about 2123.5701071545. The cubic root of 4509550 is about 165.2130703133.

It can be divided in two parts, 450 and 9550, that added together give a 4-th power (10000 = 10⁴).

The spelling of 4509550 in words is "four million, five hundred nine thousand, five hundred fifty".