45050550 has 48 divisors (see below), whose sum is σ = 112291920. Its totient is φ = 11952640.

The previous prime is 45050549. The next prime is 45050557. The reversal of 45050550 is 5505054.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45050550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45050557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34306 + ... + 35594.

It is an arithmetic number, because the mean of its divisors is an integer number (2339415).

Almost surely, 2^45050550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45050550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56145960).

45050550 is an abundant number, since it is smaller than the sum of its proper divisors (67241370).

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

45050550 is a wasteful number, since it uses less digits than its factorization.

45050550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537 (or 1532 counting only the distinct ones).

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

The square root of 45050550 is about 6711.9706495187. The cubic root of 45050550 is about 355.8224665031.

The spelling of 45050550 in words is "forty-five million, fifty thousand, five hundred fifty".