549475924 has 12 divisors (see below), whose sum is σ = 962063424. Its totient is φ = 274600664.

The previous prime is 549475907. The next prime is 549475939. The reversal of 549475924 is 429574945.

It is a happy number.

It is a congruent 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, 25042 + ... + 41545.

It is an arithmetic number, because the mean of its divisors is an integer number (80171952).

Almost surely, 2^549475924 is an apocalyptic number.

It is an amenable number.

549475924 is a deficient number, since it is larger than the sum of its proper divisors (412587500).

549475924 is a wasteful number, since it uses less digits than its factorization.

549475924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68654 (or 68652 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 549475924 is about 23440.9027983139. The cubic root of 549475924 is about 819.0609535891.

It can be divided in two parts, 5494 and 75924, that added together give a palindrome (81418).

The spelling of 549475924 in words is "five hundred forty-nine million, four hundred seventy-five thousand, nine hundred twenty-four".