5543021610 has 216 divisors, whose sum is σ = 17159203620. Its totient is φ = 1237840128.

The previous prime is 5543021599. The next prime is 5543021623. The reversal of 5543021610 is 161203455.

5543021610 is a `hidden beast` number, since 5 + 5 + 43 + 0 + 2 + 1 + 610 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5191346601 + 351675009 = 72051^2 + 18753^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 9741406 + ... + 9741974.

Almost surely, 2^5543021610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5543021610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8579601810).

5543021610 is an abundant number, since it is smaller than the sum of its proper divisors (11616182010).

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

5543021610 is a wasteful number, since it uses less digits than its factorization.

5543021610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5543021610 is about 74451.4715099708. The cubic root of 5543021610 is about 1769.7646819213.

The spelling of 5543021610 in words is "five billion, five hundred forty-three million, twenty-one thousand, six hundred ten".