5543421418 has 24 divisors (see below), whose sum is σ = 8899489440. Its totient is φ = 2588823720.

The previous prime is 5543421391. The next prime is 5543421419. The reversal of 5543421418 is 8141243455.

It is a super-2 number, since 2×5543421418² = 61459042035082261448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5543421419) 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, 2808 + ... + 105331.

It is an arithmetic number, because the mean of its divisors is an integer number (370812060).

Almost surely, 2^5543421418 is an apocalyptic number.

5543421418 is a deficient number, since it is larger than the sum of its proper divisors (3356068022).

5543421418 is a wasteful number, since it uses less digits than its factorization.

5543421418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108250 (or 108231 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 5543421418 is about 74454.1564857195. The cubic root of 5543421418 is about 1769.8072308604.

The spelling of 5543421418 in words is "five billion, five hundred forty-three million, four hundred twenty-one thousand, four hundred eighteen".