55655 has 4 divisors (see below), whose sum is σ = 66792. Its totient is φ = 44520.

The previous prime is 55639. The next prime is 55661.

55655 is nontrivially palindromic in base 4 and base 10.

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

It is not a de Polignac number, because 55655 - 2⁴ = 55639 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

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, 5561 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (16698).

2⁵⁵⁶⁵⁵ is an apocalyptic number.

55655 is a deficient number, since it is larger than the sum of its proper divisors (11137).

55655 is a wasteful number, since it uses less digits than its factorization.

55655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11136.

The product of its digits is 3750, while the sum is 26.

The square root of 55655 is about 235.9131196013. The cubic root of 55655 is about 38.1798949420.

The spelling of 55655 in words is "fifty-five thousand, six hundred fifty-five".