549919179 has 16 divisors (see below), whose sum is σ = 862619040. Its totient is φ = 345047040.

The previous prime is 549919171. The next prime is 549919189. The reversal of 549919179 is 971919945.

549919179 is a `hidden beast` number, since 549 + 9 + 1 + 91 + 7 + 9 = 666.

It is not a de Polignac number, because 549919179 - 2³ = 549919171 is a prime.

It is a super-2 number, since 2×549919179² = 604822206864068082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (549919171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598582 + ... + 599499.

It is an arithmetic number, because the mean of its divisors is an integer number (53913690).

Almost surely, 2^549919179 is an apocalyptic number.

549919179 is a deficient number, since it is larger than the sum of its proper divisors (312699861).

549919179 is a wasteful number, since it uses less digits than its factorization.

549919179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198107 (or 1198101 counting only the distinct ones).

The product of its digits is 918540, while the sum is 54.

The square root of 549919179 is about 23450.3556263013. The cubic root of 549919179 is about 819.2811362926.

The spelling of 549919179 in words is "five hundred forty-nine million, nine hundred nineteen thousand, one hundred seventy-nine".