54155 has 4 divisors (see below), whose sum is σ = 64992. Its totient is φ = 43320.

The previous prime is 54151. The next prime is 54163. The reversal of 54155 is 55145.

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

It is not a de Polignac number, because 54155 - 2² = 54151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54151) 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, 5411 + ... + 5420.

It is an arithmetic number, because the mean of its divisors is an integer number (16248).

2⁵⁴¹⁵⁵ is an apocalyptic number.

54155 is a deficient number, since it is larger than the sum of its proper divisors (10837).

54155 is a wasteful number, since it uses less digits than its factorization.

54155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10836.

The product of its digits is 500, while the sum is 20.

The square root of 54155 is about 232.7122686925. The cubic root of 54155 is about 37.8337613507.

Subtracting 54155 from its reverse (55145), we obtain a triangular number (990 = T₄₄).

The spelling of 54155 in words is "fifty-four thousand, one hundred fifty-five".