5549435656 has 16 divisors (see below), whose sum is σ = 10420045740. Its totient is φ = 2770756800.

The previous prime is 5549435641. The next prime is 5549435657. The reversal of 5549435656 is 6565349455.

It can be written as a sum of positive squares in 2 ways, for example, as 4002586756 + 1546848900 = 63266^2 + 39330^2 .

It is a super-2 number, since 2×5549435656² = 61592472200168300672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5549435657) 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, 489171 + ... + 500386.

Almost surely, 2^5549435656 is an apocalyptic number.

It is an amenable number.

5549435656 is a deficient number, since it is larger than the sum of its proper divisors (4870610084).

5549435656 is a wasteful number, since it uses less digits than its factorization.

5549435656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990264 (or 990260 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 52.

The square root of 5549435656 is about 74494.5344035386. The cubic root of 5549435656 is about 1770.4470399880.

The spelling of 5549435656 in words is "five billion, five hundred forty-nine million, four hundred thirty-five thousand, six hundred fifty-six".