4505550 has 72 divisors (see below), whose sum is σ = 13019256. Its totient is φ = 1028160.

The previous prime is 4505537. The next prime is 4505551. The reversal of 4505550 is 555054.

It is a self number, because there is not a number n which added to its sum of digits gives 4505550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7044 + ... + 7656.

It is an arithmetic number, because the mean of its divisors is an integer number (180823).

Almost surely, 2^4505550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4505550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6509628).

4505550 is an abundant number, since it is smaller than the sum of its proper divisors (8513706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4505550 is a wasteful number, since it uses less digits than its factorization.

4505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 4505550 is about 2122.6280880079. The cubic root of 4505550 is about 165.1642075095.

The spelling of 4505550 in words is "four million, five hundred five thousand, five hundred fifty".