42550343553 has 8 divisors (see below), whose sum is σ = 56802730048. Its totient is φ = 28332426384.

The previous prime is 42550343543. The next prime is 42550343557. The reversal of 42550343553 is 35534305524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42550343553 - 2²¹ = 42548246401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42550343557) 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 7 ways as a sum of consecutive naturals, for example, 8614450 + ... + 8619387.

It is an arithmetic number, because the mean of its divisors is an integer number (7100341256).

Almost surely, 2^42550343553 is an apocalyptic number.

It is an amenable number.

42550343553 is a deficient number, since it is larger than the sum of its proper divisors (14252386495).

42550343553 is a wasteful number, since it uses less digits than its factorization.

42550343553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17234663.

The product of its (nonzero) digits is 540000, while the sum is 39.

The spelling of 42550343553 in words is "forty-two billion, five hundred fifty million, three hundred forty-three thousand, five hundred fifty-three".