549421624 has 16 divisors (see below), whose sum is σ = 1030437720. Its totient is φ = 274638240.

The previous prime is 549421603. The next prime is 549421627. The reversal of 549421624 is 426124945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549421627) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36667 + ... + 49429.

Almost surely, 2^549421624 is an apocalyptic number.

It is an amenable number.

549421624 is a deficient number, since it is larger than the sum of its proper divisors (481016096).

549421624 is a wasteful number, since it uses less digits than its factorization.

549421624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18150 (or 18146 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 549421624 is about 23439.7445378571. The cubic root of 549421624 is about 819.0339724404.

The spelling of 549421624 in words is "five hundred forty-nine million, four hundred twenty-one thousand, six hundred twenty-four".