42655893 has 16 divisors (see below), whose sum is σ = 68421120. Its totient is φ = 23091696.

The previous prime is 42655891. The next prime is 42655913. The reversal of 42655893 is 39855624.

It is not a de Polignac number, because 42655893 - 2¹ = 42655891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42655891) 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 15 ways as a sum of consecutive naturals, for example, 53055 + ... + 53852.

It is an arithmetic number, because the mean of its divisors is an integer number (4276320).

Almost surely, 2^42655893 is an apocalyptic number.

It is an amenable number.

42655893 is a deficient number, since it is larger than the sum of its proper divisors (25765227).

42655893 is a wasteful number, since it uses less digits than its factorization.

42655893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106936.

The product of its digits is 259200, while the sum is 42.

The square root of 42655893 is about 6531.1479082930. The cubic root of 42655893 is about 349.4027719663.

The spelling of 42655893 in words is "forty-two million, six hundred fifty-five thousand, eight hundred ninety-three".