54856 has 8 divisors (see below), whose sum is σ = 102870. Its totient is φ = 27424.

The previous prime is 54851. The next prime is 54869. The reversal of 54856 is 65845.

It can be written as a sum of positive squares in only one way, i.e., 54756 + 100 = 234^2 + 10^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (54851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421 + ... + 3436.

2⁵⁴⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

54856 is a deficient number, since it is larger than the sum of its proper divisors (48014).

54856 is a wasteful number, since it uses less digits than its factorization.

54856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863 (or 6859 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 54856 is about 234.2135777448. The cubic root of 54856 is about 37.9963061968.

The spelling of 54856 in words is "fifty-four thousand, eight hundred fifty-six".