549819124 has 6 divisors (see below), whose sum is σ = 962183474. Its totient is φ = 274909560.

The previous prime is 549819107. The next prime is 549819133. The reversal of 549819124 is 421918945.

It can be written as a sum of positive squares in only one way, i.e., 373726224 + 176092900 = 19332^2 + 13270^2 .

It is a super-2 number, since 2×549819124² = 604602138232254752, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 68727387 + ... + 68727394.

Almost surely, 2^549819124 is an apocalyptic number.

It is an amenable number.

549819124 is a deficient number, since it is larger than the sum of its proper divisors (412364350).

549819124 is a wasteful number, since it uses less digits than its factorization.

549819124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137454785 (or 137454783 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 549819124 is about 23448.2221927378. Note that the first 3 decimals coincide. The cubic root of 549819124 is about 819.2314452658.

The spelling of 549819124 in words is "five hundred forty-nine million, eight hundred nineteen thousand, one hundred twenty-four".