45507056 has 20 divisors (see below), whose sum is σ = 100765872. Its totient is φ = 19502976.

The previous prime is 45507047. The next prime is 45507067. The reversal of 45507056 is 65070554.

It is a happy number.

45507056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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, 203045 + ... + 203268.

Almost surely, 2^45507056 is an apocalyptic number.

It is an amenable number.

45507056 is an abundant number, since it is smaller than the sum of its proper divisors (55258816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45507056 is a wasteful number, since it uses less digits than its factorization.

45507056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406328 (or 406322 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 45507056 is about 6745.8917868581. The cubic root of 45507056 is about 357.0203023916.

The spelling of 45507056 in words is "forty-five million, five hundred seven thousand, fifty-six".