42655 has 8 divisors (see below), whose sum is σ = 54000. Its totient is φ = 32256.

The previous prime is 42649. The next prime is 42667. The reversal of 42655 is 55624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42655 - 2¹⁵ = 9887 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130 + ... + 319.

It is an arithmetic number, because the mean of its divisors is an integer number (6750).

2⁴²⁶⁵⁵ is an apocalyptic number.

42655 is a deficient number, since it is larger than the sum of its proper divisors (11345).

42655 is a wasteful number, since it uses less digits than its factorization.

42655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its digits is 1200, while the sum is 22.

The square root of 42655 is about 206.5308693634. The cubic root of 42655 is about 34.9400333703.

The spelling of 42655 in words is "forty-two thousand, six hundred fifty-five".