54090111 has 16 divisors (see below), whose sum is σ = 74376288. Its totient is φ = 34944000.

The previous prime is 54090109. The next prime is 54090121. The reversal of 54090111 is 11109045.

It is not a de Polignac number, because 54090111 - 2¹ = 54090109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54090121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17911 + ... + 20711.

It is an arithmetic number, because the mean of its divisors is an integer number (4648518).

Almost surely, 2^54090111 is an apocalyptic number.

54090111 is a deficient number, since it is larger than the sum of its proper divisors (20286177).

54090111 is a wasteful number, since it uses less digits than its factorization.

54090111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 54090111 is about 7354.5979495823. The cubic root of 54090111 is about 378.1864439549.

Adding to 54090111 its reverse (11109045), we get a palindrome (65199156).

The spelling of 54090111 in words is "fifty-four million, ninety thousand, one hundred eleven".