5538531843 has 32 divisors (see below), whose sum is σ = 8845491200. Its totient is φ = 3404822688.

The previous prime is 5538531829. The next prime is 5538531857. The reversal of 5538531843 is 3481358355.

5538531843 is a `hidden beast` number, since 5 + 5 + 38 + 531 + 84 + 3 = 666.

5538531843 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5538531829) and next prime (5538531857).

It is not a de Polignac number, because 5538531843 - 2³² = 1243564547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5538531893) 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, 357096 + ... + 372282.

It is an arithmetic number, because the mean of its divisors is an integer number (276421600).

Almost surely, 2^5538531843 is an apocalyptic number.

5538531843 is a deficient number, since it is larger than the sum of its proper divisors (3306959357).

5538531843 is a wasteful number, since it uses less digits than its factorization.

5538531843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16248 (or 16242 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 5538531843 is about 74421.3130964511. The cubic root of 5538531843 is about 1769.2867249556.

The spelling of 5538531843 in words is "five billion, five hundred thirty-eight million, five hundred thirty-one thousand, eight hundred forty-three".