54511 has 6 divisors (see below), whose sum is σ = 57912. Its totient is φ = 51300.

The previous prime is 54503. The next prime is 54517. The reversal of 54511 is 11545.

It is a happy number.

It is not a de Polignac number, because 54511 - 2³ = 54503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286 + ... + 436.

It is an arithmetic number, because the mean of its divisors is an integer number (9652).

2⁵⁴⁵¹¹ is an apocalyptic number.

54511 is a deficient number, since it is larger than the sum of its proper divisors (3401).

54511 is a wasteful number, since it uses less digits than its factorization.

54511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 170 counting only the distinct ones).

The product of its digits is 100, while the sum is 16.

The square root of 54511 is about 233.4759088214. The cubic root of 54511 is about 37.9164832472.

It can be divided in two parts, 545 and 11, that multiplied together give a palindrome (5995).

The spelling of 54511 in words is "fifty-four thousand, five hundred eleven".