5543423391 has 8 divisors (see below), whose sum is σ = 8063161344. Its totient is φ = 3359650520.

The previous prime is 5543423387. The next prime is 5543423429. The reversal of 5543423391 is 1933243455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5543423391 - 2² = 5543423387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543423311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83991231 + ... + 83991296.

It is an arithmetic number, because the mean of its divisors is an integer number (1007895168).

Almost surely, 2^5543423391 is an apocalyptic number.

5543423391 is a deficient number, since it is larger than the sum of its proper divisors (2519737953).

5543423391 is a wasteful number, since it uses less digits than its factorization.

5543423391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167982541.

The product of its digits is 194400, while the sum is 39.

The square root of 5543423391 is about 74454.1697354822. The cubic root of 5543423391 is about 1769.8074408288.

The spelling of 5543423391 in words is "five billion, five hundred forty-three million, four hundred twenty-three thousand, three hundred ninety-one".