54866111 has 4 divisors (see below), whose sum is σ = 54947832. Its totient is φ = 54784392.

The previous prime is 54866051. The next prime is 54866117. The reversal of 54866111 is 11166845.

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 54866111 - 2¹⁰ = 54865087 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 (54866117) 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, 39845 + ... + 41198.

It is an arithmetic number, because the mean of its divisors is an integer number (13736958).

Almost surely, 2^54866111 is an apocalyptic number.

54866111 is a deficient number, since it is larger than the sum of its proper divisors (81721).

54866111 is an equidigital number, since it uses as much as digits as its factorization.

54866111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81720.

The product of its digits is 5760, while the sum is 32.

The square root of 54866111 is about 7407.1661922762. The cubic root of 54866111 is about 379.9864053308.

The spelling of 54866111 in words is "fifty-four million, eight hundred sixty-six thousand, one hundred eleven".