55135 has 4 divisors (see below), whose sum is σ = 66168. Its totient is φ = 44104.

The previous prime is 55127. The next prime is 55147. The reversal of 55135 is 53155.

55135 = T₁₄₆ + T₁₄₇ + ... + T₁₅₀.

55135 = 103² + 104² + ... + 107².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53155 = 5 ⋅10631.

It is a cyclic number.

It is not a de Polignac number, because 55135 - 2³ = 55127 is a prime.

It is a Duffinian number.

55135 is a modest number, since divided by 135 gives 55 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5509 + ... + 5518.

It is an arithmetic number, because the mean of its divisors is an integer number (16542).

2⁵⁵¹³⁵ is an apocalyptic number.

55135 is a deficient number, since it is larger than the sum of its proper divisors (11033).

55135 is a wasteful number, since it uses less digits than its factorization.

55135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032.

The product of its digits is 375, while the sum is 19.

The square root of 55135 is about 234.8084325573. The cubic root of 55135 is about 38.0606142501.

It can be divided in two parts, 55 and 135, that added together give a triangular number (190 = T₁₉).

The spelling of 55135 in words is "fifty-five thousand, one hundred thirty-five".