45555568 has 20 divisors (see below), whose sum is σ = 88486648. Its totient is φ = 22720320.

The previous prime is 45555553. The next prime is 45555581. The reversal of 45555568 is 86555554.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355 + ... + 10117.

Almost surely, 2^45555568 is an apocalyptic number.

It is an amenable number.

45555568 is a deficient number, since it is larger than the sum of its proper divisors (42931080).

45555568 is a wasteful number, since it uses less digits than its factorization.

45555568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192 (or 7186 counting only the distinct ones).

The product of its digits is 600000, while the sum is 43.

The square root of 45555568 is about 6749.4864989864. The cubic root of 45555568 is about 357.1471224176.

The spelling of 45555568 in words is "forty-five million, five hundred fifty-five thousand, five hundred sixty-eight".