549871224 has 32 divisors (see below), whose sum is σ = 1571061120. Its totient is φ = 157106016.

The previous prime is 549871219. The next prime is 549871241. The reversal of 549871224 is 422178945.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636354 + ... + 1636689.

It is an arithmetic number, because the mean of its divisors is an integer number (49095660).

Almost surely, 2^549871224 is an apocalyptic number.

It is an amenable number.

549871224 is an abundant number, since it is smaller than the sum of its proper divisors (1021189896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549871224 is a wasteful number, since it uses less digits than its factorization.

549871224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273059 (or 3273055 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 549871224 is about 23449.3331248460. Note that the first 3 decimals coincide. The cubic root of 549871224 is about 819.2573208118.

The spelling of 549871224 in words is "five hundred forty-nine million, eight hundred seventy-one thousand, two hundred twenty-four".