45505550 has 24 divisors (see below), whose sum is σ = 85487832. Its totient is φ = 18020000.

The previous prime is 45505459. The next prime is 45505561. The reversal of 45505550 is 5550554.

45505550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 545 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (3561993).

Almost surely, 2^45505550 is an apocalyptic number.

45505550 is a deficient number, since it is larger than the sum of its proper divisors (39982282).

45505550 is a wasteful number, since it uses less digits than its factorization.

45505550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9124 (or 9119 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 45505550 is about 6745.7801624423. The cubic root of 45505550 is about 357.0163639657.

The spelling of 45505550 in words is "forty-five million, five hundred five thousand, five hundred fifty".