54447132 has 12 divisors (see below), whose sum is σ = 127043336. Its totient is φ = 18149040.

The previous prime is 54447121. The next prime is 54447149. The reversal of 54447132 is 23174445.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 54447132.

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, 2268619 + ... + 2268642.

Almost surely, 2^54447132 is an apocalyptic number.

It is an amenable number.

54447132 is an abundant number, since it is smaller than the sum of its proper divisors (72596204).

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

54447132 is a wasteful number, since it uses less digits than its factorization.

54447132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537268 (or 4537266 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 54447132 is about 7378.8299885551. The cubic root of 54447132 is about 379.0166913421.

The spelling of 54447132 in words is "fifty-four million, four hundred forty-seven thousand, one hundred thirty-two".