42545055 has 64 divisors (see below), whose sum is σ = 82575360. Its totient is φ = 18285696.

The previous prime is 42545029. The next prime is 42545071. The reversal of 42545055 is 55054524.

It is not a de Polignac number, because 42545055 - 2⁶ = 42544991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190674 + ... + 190896.

It is an arithmetic number, because the mean of its divisors is an integer number (1290240).

Almost surely, 2^42545055 is an apocalyptic number.

42545055 is a deficient number, since it is larger than the sum of its proper divisors (40030305).

42545055 is a wasteful number, since it uses less digits than its factorization.

42545055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 42545055 is about 6522.6570506198. The cubic root of 42545055 is about 349.0998775451.

Adding to 42545055 its reverse (55054524), we get a palindrome (97599579).

The spelling of 42545055 in words is "forty-two million, five hundred forty-five thousand, fifty-five".