54449181 has 24 divisors (see below), whose sum is σ = 83813184. Its totient is φ = 33943680.

The previous prime is 54449173. The next prime is 54449203. The reversal of 54449181 is 18194445.

It is not a de Polignac number, because 54449181 - 2³ = 54449173 is a prime.

It is a super-2 number, since 2×54449181² = 5929426623141522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54449111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24486 + ... + 26616.

It is an arithmetic number, because the mean of its divisors is an integer number (3492216).

Almost surely, 2^54449181 is an apocalyptic number.

54449181 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54449181 is a deficient number, since it is larger than the sum of its proper divisors (29364003).

54449181 is a wasteful number, since it uses less digits than its factorization.

54449181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2318 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 54449181 is about 7378.9688303990. The cubic root of 54449181 is about 379.0214457735.

The spelling of 54449181 in words is "fifty-four million, four hundred forty-nine thousand, one hundred eighty-one".