5543561662408 has 64 divisors (see below), whose sum is σ = 12987086555520. Its totient is φ = 2155144012800.

The previous prime is 5543561662367. The next prime is 5543561662409. The reversal of 5543561662408 is 8042661653455.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5543561662409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9476641 + ... + 10044592.

It is an arithmetic number, because the mean of its divisors is an integer number (202923227430).

Almost surely, 2^{5543561662408} is an apocalyptic number.

It is an amenable number.

5543561662408 is an abundant number, since it is smaller than the sum of its proper divisors (7443524893112).

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

5543561662408 is a wasteful number, since it uses less digits than its factorization.

5543561662408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19521718 (or 19521714 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 5543561662408 in words is "five trillion, five hundred forty-three billion, five hundred sixty-one million, six hundred sixty-two thousand, four hundred eight".