54320111 has 4 divisors (see below), whose sum is σ = 54339000. Its totient is φ = 54301224.

The previous prime is 54320093. The next prime is 54320129. The reversal of 54320111 is 11102345.

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

It is an interprime number because it is at equal distance from previous prime (54320093) and next prime (54320129).

It is a cyclic number.

It is not a de Polignac number, because 54320111 - 2²² = 50125807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54320111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54320191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4136 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (13584750).

Almost surely, 2^54320111 is an apocalyptic number.

54320111 is a deficient number, since it is larger than the sum of its proper divisors (18889).

54320111 is a wasteful number, since it uses less digits than its factorization.

54320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 54320111 is about 7370.2178393858. The cubic root of 54320111 is about 378.7217228469.

Adding to 54320111 its reverse (11102345), we get a palindrome (65422456).

The spelling of 54320111 in words is "fifty-four million, three hundred twenty thousand, one hundred eleven".