546821155 has 8 divisors (see below), whose sum is σ = 659484000. Its totient is φ = 435257856.

The previous prime is 546821137. The next prime is 546821179. The reversal of 546821155 is 551128645.

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 546821155 - 2⁵ = 546821123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273790 + ... + 275779.

It is an arithmetic number, because the mean of its divisors is an integer number (82435500).

Almost surely, 2^546821155 is an apocalyptic number.

546821155 is a deficient number, since it is larger than the sum of its proper divisors (112662845).

546821155 is a wasteful number, since it uses less digits than its factorization.

546821155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549773.

The product of its digits is 48000, while the sum is 37.

The square root of 546821155 is about 23384.2073844721. The cubic root of 546821155 is about 817.7397377229.

The spelling of 546821155 in words is "five hundred forty-six million, eight hundred twenty-one thousand, one hundred fifty-five".