45555985 has 16 divisors (see below), whose sum is σ = 57697920. Its totient is φ = 34460800.

The previous prime is 45555967. The next prime is 45556033. The reversal of 45555985 is 58955554.

It is not a de Polignac number, because 45555985 - 2¹⁹ = 45031697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8010 + ... + 12460.

It is an arithmetic number, because the mean of its divisors is an integer number (3606120).

Almost surely, 2^45555985 is an apocalyptic number.

It is an amenable number.

45555985 is a deficient number, since it is larger than the sum of its proper divisors (12141935).

45555985 is a wasteful number, since it uses less digits than its factorization.

45555985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568.

The product of its digits is 900000, while the sum is 46.

The square root of 45555985 is about 6749.5173901546. The cubic root of 45555985 is about 357.1482121483.

The spelling of 45555985 in words is "forty-five million, five hundred fifty-five thousand, nine hundred eighty-five".