42655530573 has 24 divisors (see below), whose sum is σ = 62643832056. Its totient is φ = 27961804800.

The previous prime is 42655530563. The next prime is 42655530581. The reversal of 42655530573 is 37503555624.

42655530573 is a `hidden beast` number, since 4 + 2 + 65 + 5 + 530 + 57 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 958707369 + 41696823204 = 30963^2 + 204198^2 .

It is not a de Polignac number, because 42655530573 - 2²⁰ = 42654481997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42655530563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1974993 + ... + 1996473.

It is an arithmetic number, because the mean of its divisors is an integer number (2610159669).

Almost surely, 2^42655530573 is an apocalyptic number.

It is an amenable number.

42655530573 is a deficient number, since it is larger than the sum of its proper divisors (19988301483).

42655530573 is a wasteful number, since it uses less digits than its factorization.

42655530573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25165 (or 25162 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 45.

The spelling of 42655530573 in words is "forty-two billion, six hundred fifty-five million, five hundred thirty thousand, five hundred seventy-three".