55355 has 4 divisors (see below), whose sum is σ = 66432. Its totient is φ = 44280.

The previous prime is 55351. The next prime is 55373.

It is a happy number.

55355 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55355 - 2² = 55351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55355.

It is not an unprimeable number, because it can be changed into a prime (55351) 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, 5531 + ... + 5540.

It is an arithmetic number, because the mean of its divisors is an integer number (16608).

2⁵⁵³⁵⁵ is an apocalyptic number.

55355 is a deficient number, since it is larger than the sum of its proper divisors (11077).

55355 is a wasteful number, since it uses less digits than its factorization.

55355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11076.

The product of its digits is 1875, while the sum is 23.

The square root of 55355 is about 235.2764331590. The cubic root of 55355 is about 38.1111702952. Note that the first 4 decimals are identical.

The spelling of 55355 in words is "fifty-five thousand, three hundred fifty-five".