54111223 has 2 divisors, whose sum is σ = 54111224. Its totient is φ = 54111222.

The previous prime is 54111181. The next prime is 54111227. The reversal of 54111223 is 32211145.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54111223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54111223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54111227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27055611 + 27055612.

It is an arithmetic number, because the mean of its divisors is an integer number (27055612).

Almost surely, 2^54111223 is an apocalyptic number.

54111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

54111223 is an equidigital number, since it uses as much as digits as its factorization.

54111223 is an evil number, because the sum of its binary digits is even.

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

The square root of 54111223 is about 7356.0331021550. The cubic root of 54111223 is about 378.2356410786.

Adding to 54111223 its reverse (32211145), we get a palindrome (86322368).

The spelling of 54111223 in words is "fifty-four million, one hundred eleven thousand, two hundred twenty-three".