45554215664 has 20 divisors (see below), whose sum is σ = 88404361104. Its totient is φ = 22740187008.

The previous prime is 45554215621. The next prime is 45554215669. The reversal of 45554215664 is 46651245554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45554215669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297372 + ... + 2317115.

Almost surely, 2^45554215664 is an apocalyptic number.

It is an amenable number.

45554215664 is a deficient number, since it is larger than the sum of its proper divisors (42850145440).

45554215664 is a wasteful number, since it uses less digits than its factorization.

45554215664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615112 (or 4615106 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 47.

The spelling of 45554215664 in words is "forty-five billion, five hundred fifty-four million, two hundred fifteen thousand, six hundred sixty-four".