42071055 has 32 divisors (see below), whose sum is σ = 73436160. Its totient is φ = 20442240.

The previous prime is 42071053. The next prime is 42071077. The reversal of 42071055 is 55017024.

It is not a de Polignac number, because 42071055 - 2¹ = 42071053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42071053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14040 + ... + 16770.

It is an arithmetic number, because the mean of its divisors is an integer number (2294880).

Almost surely, 2^42071055 is an apocalyptic number.

42071055 is a deficient number, since it is larger than the sum of its proper divisors (31365105).

42071055 is a wasteful number, since it uses less digits than its factorization.

42071055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 42071055 is about 6486.2203940353. The cubic root of 42071055 is about 347.7985771234.

Adding to 42071055 its reverse (55017024), we get a palindrome (97088079).

The spelling of 42071055 in words is "forty-two million, seventy-one thousand, fifty-five".