5543158621 has 32 divisors (see below), whose sum is σ = 7496294400. Its totient is φ = 3958303680.

The previous prime is 5543158531. The next prime is 5543158679. The reversal of 5543158621 is 1268513455.

It is a cyclic number.

It is not a de Polignac number, because 5543158621 - 2¹³ = 5543150429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543158121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119220 + ... + 159058.

It is an arithmetic number, because the mean of its divisors is an integer number (234259200).

Almost surely, 2^5543158621 is an apocalyptic number.

It is an amenable number.

5543158621 is a deficient number, since it is larger than the sum of its proper divisors (1953135779).

5543158621 is a wasteful number, since it uses less digits than its factorization.

5543158621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40009.

The product of its digits is 144000, while the sum is 40.

The square root of 5543158621 is about 74452.3916405645. The cubic root of 5543158621 is about 1769.7792633325.

The spelling of 5543158621 in words is "five billion, five hundred forty-three million, one hundred fifty-eight thousand, six hundred twenty-one".