42045055 has 16 divisors (see below), whose sum is σ = 54663840. Its totient is φ = 30860928.

The previous prime is 42045053. The next prime is 42045103. The reversal of 42045055 is 55054024.

It is a cyclic number.

It is not a de Polignac number, because 42045055 - 2¹ = 42045053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42045053) 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, 9376 + ... + 13114.

It is an arithmetic number, because the mean of its divisors is an integer number (3416490).

Almost surely, 2^42045055 is an apocalyptic number.

42045055 is a deficient number, since it is larger than the sum of its proper divisors (12618785).

42045055 is a wasteful number, since it uses less digits than its factorization.

42045055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 42045055 is about 6484.2158353960. The cubic root of 42045055 is about 347.7269156097.

Adding to 42045055 its reverse (55054024), we get a palindrome (97099079).

The spelling of 42045055 in words is "forty-two million, forty-five thousand, fifty-five".