172884456522055 has 8 divisors (see below), whose sum is σ = 209364662944800. Its totient is φ = 137038688472096.

The previous prime is 172884456521963. The next prime is 172884456522059. The reversal of 172884456522055 is 550225654488271.

172884456522055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 172884456522055 - 2¹⁷ = 172884456390983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172884456522059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158609592595 + ... + 158609593684.

It is an arithmetic number, because the mean of its divisors is an integer number (26170582868100).

Almost surely, 2^{172884456522055} is an apocalyptic number.

172884456522055 is a deficient number, since it is larger than the sum of its proper divisors (36480206422745).

172884456522055 is a wasteful number, since it uses less digits than its factorization.

172884456522055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317219186393.

The product of its (nonzero) digits is 215040000, while the sum is 64.

The spelling of 172884456522055 in words is "one hundred seventy-two trillion, eight hundred eighty-four billion, four hundred fifty-six million, five hundred twenty-two thousand, fifty-five".