54118081 has 4 divisors (see below), whose sum is σ = 54803200. Its totient is φ = 53432964.

The previous prime is 54118079. The next prime is 54118093. The reversal of 54118081 is 18081145.

54118081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18081145 = 5 ⋅3616229.

It is a cyclic number.

It is not a de Polignac number, because 54118081 - 2¹ = 54118079 is a prime.

It is a super-2 number, since 2×54118081² = 5857533382245122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54118481) 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 3 ways as a sum of consecutive naturals, for example, 342441 + ... + 342598.

It is an arithmetic number, because the mean of its divisors is an integer number (13700800).

Almost surely, 2^54118081 is an apocalyptic number.

It is an amenable number.

54118081 is a deficient number, since it is larger than the sum of its proper divisors (685119).

54118081 is an equidigital number, since it uses as much as digits as its factorization.

54118081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685118.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 54118081 is about 7356.4992353700. The cubic root of 54118081 is about 378.2516194672.

The spelling of 54118081 in words is "fifty-four million, one hundred eighteen thousand, eighty-one".