442550055 has 8 divisors (see below), whose sum is σ = 708080112. Its totient is φ = 236026688.

The previous prime is 442550047. The next prime is 442550077. The reversal of 442550055 is 550055244.

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

It is a cyclic number.

It is not a de Polignac number, because 442550055 - 2³ = 442550047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14751654 + ... + 14751683.

It is an arithmetic number, because the mean of its divisors is an integer number (88510014).

Almost surely, 2^442550055 is an apocalyptic number.

442550055 is a deficient number, since it is larger than the sum of its proper divisors (265530057).

442550055 is a wasteful number, since it uses less digits than its factorization.

442550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29503345.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 442550055 is about 21036.8736983422. The cubic root of 442550055 is about 762.0570169032.

The spelling of 442550055 in words is "four hundred forty-two million, five hundred fifty thousand, fifty-five".