45505500 has 96 divisors (see below), whose sum is σ = 138378240. Its totient is φ = 11598400.

The previous prime is 45505459. The next prime is 45505561. The reversal of 45505500 is 550554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33841 + ... + 35159.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^45505500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45505500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69189120).

45505500 is an abundant number, since it is smaller than the sum of its proper divisors (92872740).

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

45505500 is a wasteful number, since it uses less digits than its factorization.

45505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1352 counting only the distinct ones).

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

The square root of 45505500 is about 6745.7764564207. The cubic root of 45505500 is about 357.0162332064.

The spelling of 45505500 in words is "forty-five million, five hundred five thousand, five hundred".