54036181 has 4 divisors (see below), whose sum is σ = 54189612. Its totient is φ = 53882752.

The previous prime is 54036173. The next prime is 54036187. The reversal of 54036181 is 18163045.

54036181 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 an emirpimes, since its reverse is a distinct semiprime: 18163045 = 5 ⋅3632609.

It can be written as a sum of positive squares in 2 ways, for example, as 42706225 + 11329956 = 6535^2 + 3366^2 .

It is a cyclic number.

It is not a de Polignac number, because 54036181 - 2³ = 54036173 is a prime.

It is a super-2 number, since 2×54036181² = 5839817714129522, 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 (54036187) 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, 76186 + ... + 76891.

It is an arithmetic number, because the mean of its divisors is an integer number (13547403).

Almost surely, 2^54036181 is an apocalyptic number.

It is an amenable number.

54036181 is a deficient number, since it is larger than the sum of its proper divisors (153431).

54036181 is a wasteful number, since it uses less digits than its factorization.

54036181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153430.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 54036181 is about 7350.9306213567. The cubic root of 54036181 is about 378.0607131653.

The spelling of 54036181 in words is "fifty-four million, thirty-six thousand, one hundred eighty-one".