54542111 has 4 divisors (see below), whose sum is σ = 58737672. Its totient is φ = 50346552.

The previous prime is 54542093. The next prime is 54542149. The reversal of 54542111 is 11124545.

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 54542111 - 2¹⁰ = 54541087 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 (54542161) 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, 2097761 + ... + 2097786.

It is an arithmetic number, because the mean of its divisors is an integer number (14684418).

Almost surely, 2^54542111 is an apocalyptic number.

54542111 is a deficient number, since it is larger than the sum of its proper divisors (4195561).

54542111 is a wasteful number, since it uses less digits than its factorization.

54542111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195560.

The product of its digits is 800, while the sum is 23.

The square root of 54542111 is about 7385.2630961937. The cubic root of 54542111 is about 379.2369521894.

Adding to 54542111 its reverse (11124545), we get a palindrome (65666656).

The spelling of 54542111 in words is "fifty-four million, five hundred forty-two thousand, one hundred eleven".