54259111 has 2 divisors, whose sum is σ = 54259112. Its totient is φ = 54259110.

The previous prime is 54259109. The next prime is 54259147. The reversal of 54259111 is 11195245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54259111 - 2¹ = 54259109 is a prime.

It is a super-2 number, since 2×54259111² = 5888102253020642, which contains 22 as substring.

Together with 54259109, it forms a pair of twin primes.

It is equal to p_3240658 and since 54259111 and 3240658 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54259111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54259151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27129555 + 27129556.

It is an arithmetic number, because the mean of its divisors is an integer number (27129556).

Almost surely, 2^54259111 is an apocalyptic number.

54259111 is a deficient number, since it is larger than the sum of its proper divisors (1).

54259111 is an equidigital number, since it uses as much as digits as its factorization.

54259111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 28.

The square root of 54259111 is about 7366.0784003430. The cubic root of 54259111 is about 378.5799050332.

The spelling of 54259111 in words is "fifty-four million, two hundred fifty-nine thousand, one hundred eleven".