42053505 has 16 divisors (see below), whose sum is σ = 72461760. Its totient is φ = 20703168.

The previous prime is 42053503. The next prime is 42053521. The reversal of 42053505 is 50535024.

It is not a de Polignac number, because 42053505 - 2¹ = 42053503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42053503) 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, 107635 + ... + 108024.

It is an arithmetic number, because the mean of its divisors is an integer number (4528860).

Almost surely, 2^42053505 is an apocalyptic number.

It is an amenable number.

42053505 is a deficient number, since it is larger than the sum of its proper divisors (30408255).

42053505 is a wasteful number, since it uses less digits than its factorization.

42053505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215680.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 42053505 is about 6484.8673849201. The cubic root of 42053505 is about 347.7502088413.

Adding to 42053505 its reverse (50535024), we get a palindrome (92588529).

The spelling of 42053505 in words is "forty-two million, fifty-three thousand, five hundred five".