45006550 has 24 divisors (see below), whose sum is σ = 86601600. Its totient is φ = 17381280.

The previous prime is 45006523. The next prime is 45006551. The reversal of 45006550 is 5560054.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45006551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14070 + ... + 16969.

It is an arithmetic number, because the mean of its divisors is an integer number (3608400).

Almost surely, 2^45006550 is an apocalyptic number.

45006550 is a deficient number, since it is larger than the sum of its proper divisors (41595050).

45006550 is a wasteful number, since it uses less digits than its factorization.

45006550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31080 (or 31075 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45006550 is about 6708.6921229104. The cubic root of 45006550 is about 355.7065871311.

The spelling of 45006550 in words is "forty-five million, six thousand, five hundred fifty".