542242312055 has 4 divisors (see below), whose sum is σ = 650690774472. Its totient is φ = 433793849640.

The previous prime is 542242312009. The next prime is 542242312067. The reversal of 542242312055 is 550213242245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550213242245 = 5 ⋅110042648449.

It is not a de Polignac number, because 542242312055 - 2⁶ = 542242311991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54224231201 + ... + 54224231210.

It is an arithmetic number, because the mean of its divisors is an integer number (162672693618).

Almost surely, 2^542242312055 is an apocalyptic number.

542242312055 is a deficient number, since it is larger than the sum of its proper divisors (108448462417).

542242312055 is a wasteful number, since it uses less digits than its factorization.

542242312055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108448462416.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 542242312055 in words is "five hundred forty-two billion, two hundred forty-two million, three hundred twelve thousand, fifty-five".