355542 has 16 divisors (see below), whose sum is σ = 775872. Its totient is φ = 107720.

The previous prime is 355541. The next prime is 355549. The reversal of 355542 is 245553.

It is a super-2 number, since 2×355542² = 252820227528, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355541) 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 7 ways as a sum of consecutive naturals, for example, 2628 + ... + 2759.

It is an arithmetic number, because the mean of its divisors is an integer number (48492).

2³⁵⁵⁵⁴² is an apocalyptic number.

355542 is an abundant number, since it is smaller than the sum of its proper divisors (420330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355542 is a wasteful number, since it uses less digits than its factorization.

355542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403.

The product of its digits is 3000, while the sum is 24.

The square root of 355542 is about 596.2734272127. The cubic root of 355542 is about 70.8430042928.

The spelling of 355542 in words is "three hundred fifty-five thousand, five hundred forty-two".