5543661536 has 48 divisors (see below), whose sum is σ = 12479171040. Its totient is φ = 2374725120.

The previous prime is 5543661509. The next prime is 5543661577. The reversal of 5543661536 is 6351663455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609470 + ... + 618498.

It is an arithmetic number, because the mean of its divisors is an integer number (259982730).

Almost surely, 2^5543661536 is an apocalyptic number.

5543661536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5543661536 is an abundant number, since it is smaller than the sum of its proper divisors (6935509504).

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

5543661536 is a wasteful number, since it uses less digits than its factorization.

5543661536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11787 (or 11779 counting only the distinct ones).

The product of its digits is 972000, while the sum is 44.

The square root of 5543661536 is about 74455.7689907236. The cubic root of 5543661536 is about 1769.8327840585.

The spelling of 5543661536 in words is "five billion, five hundred forty-three million, six hundred sixty-one thousand, five hundred thirty-six".