53855 has 4 divisors (see below), whose sum is σ = 64632. Its totient is φ = 43080.

The previous prime is 53849. The next prime is 53857. The reversal of 53855 is 55835.

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

It is not a de Polignac number, because 53855 - 2⁶ = 53791 is a prime.

It is a super-2 number, since 2×53855² = 5800722050, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53857) 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, 5381 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (16158).

2⁵³⁸⁵⁵ is an apocalyptic number.

53855 is a deficient number, since it is larger than the sum of its proper divisors (10777).

53855 is a wasteful number, since it uses less digits than its factorization.

53855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776.

The product of its digits is 3000, while the sum is 26.

The square root of 53855 is about 232.0668007277. The cubic root of 53855 is about 37.7637699572.

The spelling of 53855 in words is "fifty-three thousand, eight hundred fifty-five".