42655443 has 16 divisors (see below), whose sum is σ = 58133376. Its totient is φ = 27814400.

The previous prime is 42655439. The next prime is 42655447. The reversal of 42655443 is 34455624.

It is an interprime number because it is at equal distance from previous prime (42655439) and next prime (42655447).

It is a cyclic number.

It is not a de Polignac number, because 42655443 - 2² = 42655439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42655447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25843 + ... + 27443.

It is an arithmetic number, because the mean of its divisors is an integer number (3633336).

Almost surely, 2^42655443 is an apocalyptic number.

42655443 is a deficient number, since it is larger than the sum of its proper divisors (15477933).

42655443 is a wasteful number, since it uses less digits than its factorization.

42655443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794.

The product of its digits is 57600, while the sum is 33.

The square root of 42655443 is about 6531.1134579029. The cubic root of 42655443 is about 349.4015432826.

The spelling of 42655443 in words is "forty-two million, six hundred fifty-five thousand, four hundred forty-three".