45216056 has 16 divisors (see below), whose sum is σ = 89767440. Its totient is φ = 21278080.

The previous prime is 45216047. The next prime is 45216077. The reversal of 45216056 is 65061254.

45216056 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 3 ways as a sum of consecutive naturals, for example, 166100 + ... + 166371.

It is an arithmetic number, because the mean of its divisors is an integer number (5610465).

Almost surely, 2^45216056 is an apocalyptic number.

It is an amenable number.

45216056 is a deficient number, since it is larger than the sum of its proper divisors (44551384).

45216056 is a wasteful number, since it uses less digits than its factorization.

45216056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332494 (or 332490 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 45216056 is about 6724.2885125491. The cubic root of 45216056 is about 356.2576723083.

The spelling of 45216056 in words is "forty-five million, two hundred sixteen thousand, fifty-six".