54555 has 8 divisors (see below), whose sum is σ = 87312. Its totient is φ = 29088.

The previous prime is 54547. The next prime is 54559. The reversal of 54555 is 55545.

54555 = T₂₅ + T₂₆ + ... + T₆₉.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54555 - 2³ = 54547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (10914).

2⁵⁴⁵⁵⁵ is an apocalyptic number.

54555 is a deficient number, since it is larger than the sum of its proper divisors (32757).

54555 is a wasteful number, since it uses less digits than its factorization.

54555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645.

The product of its digits is 2500, while the sum is 24.

The square root of 54555 is about 233.5701179518. The cubic root of 54555 is about 37.9266822688.

Subtracting 54555 from its reverse (55545), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 5455 and 5, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 54555 in words is "fifty-four thousand, five hundred fifty-five".