5543614521 has 12 divisors (see below), whose sum is σ = 8041812948. Its totient is φ = 3679880064.

The previous prime is 5543614501. The next prime is 5543614523. The reversal of 5543614521 is 1254163455.

5543614521 is a `hidden beast` number, since 5 + 543 + 61 + 4 + 52 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3134768121 + 2408846400 = 55989^2 + 49080^2 .

It is not a de Polignac number, because 5543614521 - 2¹³ = 5543606329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5543614523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1319700 + ... + 1323893.

It is an arithmetic number, because the mean of its divisors is an integer number (670151079).

Almost surely, 2^5543614521 is an apocalyptic number.

It is an amenable number.

5543614521 is a deficient number, since it is larger than the sum of its proper divisors (2498198427).

5543614521 is a wasteful number, since it uses less digits than its factorization.

5543614521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643832 (or 2643829 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5543614521 is about 74455.4532656944. The cubic root of 5543614521 is about 1769.8277808115.

Adding to 5543614521 its reverse (1254163455), we get a palindrome (6797777976).

The spelling of 5543614521 in words is "five billion, five hundred forty-three million, six hundred fourteen thousand, five hundred twenty-one".