54871 has 4 divisors (see below), whose sum is σ = 56392. Its totient is φ = 53352.

The previous prime is 54869. The next prime is 54877. The reversal of 54871 is 17845.

54871 = 19² + 20² + ... + 55².

54871 is nontrivially palindromic in base 6.

It is a Cunningham number, because it is equal to 38³-1.

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

It is a cyclic number.

It is not a de Polignac number, because 54871 - 2¹ = 54869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54877) 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, 705 + ... + 778.

It is an arithmetic number, because the mean of its divisors is an integer number (14098).

2⁵⁴⁸⁷¹ is an apocalyptic number.

54871 is a deficient number, since it is larger than the sum of its proper divisors (1521).

54871 is a wasteful number, since it uses less digits than its factorization.

54871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520.

The product of its digits is 1120, while the sum is 25.

The square root of 54871 is about 234.2455976107. The cubic root of 54871 is about 37.9997691583. Note that the first 3 decimals are identical.

The spelling of 54871 in words is "fifty-four thousand, eight hundred seventy-one".