54568181 has 16 divisors (see below), whose sum is σ = 59019840. Its totient is φ = 50269440.

The previous prime is 54568177. The next prime is 54568183. The reversal of 54568181 is 18186545.

It is a cyclic number.

It is not a de Polignac number, because 54568181 - 2² = 54568177 is a prime.

It is a super-2 number, since 2×54568181² = 5955372755297522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54568183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238175 + ... + 238403.

It is an arithmetic number, because the mean of its divisors is an integer number (3688740).

Almost surely, 2^54568181 is an apocalyptic number.

It is an amenable number.

54568181 is a deficient number, since it is larger than the sum of its proper divisors (4451659).

54568181 is a wasteful number, since it uses less digits than its factorization.

54568181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its digits is 38400, while the sum is 38.

The square root of 54568181 is about 7387.0278867756. The cubic root of 54568181 is about 379.2973650359.

The spelling of 54568181 in words is "fifty-four million, five hundred sixty-eight thousand, one hundred eighty-one".