548172155 has 4 divisors (see below), whose sum is σ = 657806592. Its totient is φ = 438537720.

The previous prime is 548172143. The next prime is 548172161. The reversal of 548172155 is 551271845.

548172155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 548172155 - 2¹⁴ = 548155771 is a prime.

It is a Duffinian 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, 54817211 + ... + 54817220.

It is an arithmetic number, because the mean of its divisors is an integer number (164451648).

Almost surely, 2^548172155 is an apocalyptic number.

548172155 is a deficient number, since it is larger than the sum of its proper divisors (109634437).

548172155 is a wasteful number, since it uses less digits than its factorization.

548172155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109634436.

The product of its digits is 56000, while the sum is 38.

The square root of 548172155 is about 23413.0765812612. The cubic root of 548172155 is about 818.4126315899.

The spelling of 548172155 in words is "five hundred forty-eight million, one hundred seventy-two thousand, one hundred fifty-five".