355855 has 4 divisors (see below), whose sum is σ = 427032. Its totient is φ = 284680.

The previous prime is 355853. The next prime is 355867. The reversal of 355855 is 558553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558553 = 59 ⋅9467.

It is not a de Polignac number, because 355855 - 2¹ = 355853 is a prime.

It is a Duffinian number.

355855 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35581 + ... + 35590.

It is an arithmetic number, because the mean of its divisors is an integer number (106758).

2³⁵⁵⁸⁵⁵ is an apocalyptic number.

355855 is a deficient number, since it is larger than the sum of its proper divisors (71177).

355855 is an equidigital number, since it uses as much as digits as its factorization.

355855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71176.

The product of its digits is 15000, while the sum is 31.

The square root of 355855 is about 596.5358329556. The cubic root of 355855 is about 70.8637869820.

The spelling of 355855 in words is "three hundred fifty-five thousand, eight hundred fifty-five".