42955 has 12 divisors (see below), whose sum is σ = 57456. Its totient is φ = 30800.

The previous prime is 42953. The next prime is 42961. The reversal of 42955 is 55924.

It is not a de Polignac number, because 42955 - 2¹ = 42953 is a prime.

It is a Duffinian number.

42955 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (42953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570 + ... + 640.

It is an arithmetic number, because the mean of its divisors is an integer number (4788).

2⁴²⁹⁵⁵ is an apocalyptic number.

42955 is a deficient number, since it is larger than the sum of its proper divisors (14501).

42955 is a wasteful number, since it uses less digits than its factorization.

42955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 87 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 42955 is about 207.2558804956. The cubic root of 42955 is about 35.0217551822.

It can be divided in two parts, 429 and 55, that added together give a palindrome (484).

The spelling of 42955 in words is "forty-two thousand, nine hundred fifty-five".