54569844 has 72 divisors (see below), whose sum is σ = 159606720. Its totient is φ = 15397632.

The previous prime is 54569833. The next prime is 54569861. The reversal of 54569844 is 44896545.

54569844 is a `hidden beast` number, since 5 + 4 + 569 + 84 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 54569844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19612 + ... + 22220.

It is an arithmetic number, because the mean of its divisors is an integer number (2216760).

Almost surely, 2^54569844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54569844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79803360).

54569844 is an abundant number, since it is smaller than the sum of its proper divisors (105036876).

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

54569844 is a wasteful number, since it uses less digits than its factorization.

54569844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709 (or 2704 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 54569844 is about 7387.1404481030. The cubic root of 54569844 is about 379.3012181062.

The spelling of 54569844 in words is "fifty-four million, five hundred sixty-nine thousand, eight hundred forty-four".