549439652 has 12 divisors (see below), whose sum is σ = 961689036. Its totient is φ = 274671360.

The previous prime is 549439651. The next prime is 549439661. The reversal of 549439652 is 256934945.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 543169636 + 6270016 = 23306^2 + 2504^2 .

It is a super-2 number, since 2×549439652² = 603767862379762208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 549439597 and 549439606.

It is not an unprimeable number, because it can be changed into a prime (549439651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28568 + ... + 43760.

It is an arithmetic number, because the mean of its divisors is an integer number (80140753).

Almost surely, 2^549439652 is an apocalyptic number.

It is an amenable number.

549439652 is a deficient number, since it is larger than the sum of its proper divisors (412249384).

549439652 is a wasteful number, since it uses less digits than its factorization.

549439652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24238 (or 24236 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 47.

The square root of 549439652 is about 23440.1290952076. The cubic root of 549439652 is about 819.0429305776.

The spelling of 549439652 in words is "five hundred forty-nine million, four hundred thirty-nine thousand, six hundred fifty-two".