42554335505 has 16 divisors (see below), whose sum is σ = 55996147584. Its totient is φ = 30788244480.

The previous prime is 42554335501. The next prime is 42554335589. The reversal of 42554335505 is 50553345524.

It is not a de Polignac number, because 42554335505 - 2² = 42554335501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42554335501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993829 + ... + 2015058.

It is an arithmetic number, because the mean of its divisors is an integer number (3499759224).

Almost surely, 2^42554335505 is an apocalyptic number.

It is an amenable number.

42554335505 is a deficient number, since it is larger than the sum of its proper divisors (13441812079).

42554335505 is a wasteful number, since it uses less digits than its factorization.

42554335505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009096.

The product of its (nonzero) digits is 900000, while the sum is 41.

The spelling of 42554335505 in words is "forty-two billion, five hundred fifty-four million, three hundred thirty-five thousand, five hundred five".