355556 has 12 divisors (see below), whose sum is σ = 628992. Its totient is φ = 175848.

The previous prime is 355549. The next prime is 355559. The reversal of 355556 is 655553.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355559) 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, 20 + ... + 843.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

2³⁵⁵⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

355556 is a deficient number, since it is larger than the sum of its proper divisors (273436).

355556 is a wasteful number, since it uses less digits than its factorization.

355556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its digits is 11250, while the sum is 29.

The square root of 355556 is about 596.2851666778. The cubic root of 355556 is about 70.8439341305.

The spelling of 355556 in words is "three hundred fifty-five thousand, five hundred fifty-six".