54866844 has 18 divisors (see below), whose sum is σ = 138691280. Its totient is φ = 18288936.

The previous prime is 54866827. The next prime is 54866849. The reversal of 54866844 is 44866845.

54866844 is a `hidden beast` number, since 548 + 6 + 68 + 44 = 666.

54866844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 54866844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54866849) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 762004 + ... + 762075.

Almost surely, 2^54866844 is an apocalyptic number.

It is an amenable number.

54866844 is an abundant number, since it is smaller than the sum of its proper divisors (83824436).

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

54866844 is a wasteful number, since it uses less digits than its factorization.

54866844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524089 (or 1524084 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 54866844 is about 7407.2156712222. The cubic root of 54866844 is about 379.9880975035.

Subtracting from 54866844 its reverse (44866845), we obtain a palindrome (9999999).

The spelling of 54866844 in words is "fifty-four million, eight hundred sixty-six thousand, eight hundred forty-four".