42530355555 has 16 divisors (see below), whose sum is σ = 68117259264. Its totient is φ = 22659959520.

The previous prime is 42530355551. The next prime is 42530355577. The reversal of 42530355555 is 55555303524.

It is a happy number.

42530355555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42530355555 - 2² = 42530355551 is a prime.

It is a super-3 number, since 3×42530355555³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (42530355551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415689 + ... + 1445418.

It is an arithmetic number, because the mean of its divisors is an integer number (4257328704).

Almost surely, 2^42530355555 is an apocalyptic number.

42530355555 is a deficient number, since it is larger than the sum of its proper divisors (25586903709).

42530355555 is a wasteful number, since it uses less digits than its factorization.

42530355555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862106.

The product of its (nonzero) digits is 1125000, while the sum is 42.

The spelling of 42530355555 in words is "forty-two billion, five hundred thirty million, three hundred fifty-five thousand, five hundred fifty-five".