54043111 has 4 divisors (see below), whose sum is σ = 54213912. Its totient is φ = 53872312.

The previous prime is 54043109. The next prime is 54043127. The reversal of 54043111 is 11134045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54043111 - 2¹ = 54043109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54043151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84925 + ... + 85558.

It is an arithmetic number, because the mean of its divisors is an integer number (13553478).

Almost surely, 2^54043111 is an apocalyptic number.

54043111 is a deficient number, since it is larger than the sum of its proper divisors (170801).

54043111 is a wasteful number, since it uses less digits than its factorization.

54043111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170800.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 54043111 is about 7351.4019751337. The cubic root of 54043111 is about 378.0768742430.

Adding to 54043111 its reverse (11134045), we get a palindrome (65177156).

It can be divided in two parts, 5404 and 3111, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 54043111 in words is "fifty-four million, forty-three thousand, one hundred eleven".