5543381 has 4 divisors (see below), whose sum is σ = 5550912. Its totient is φ = 5535852.

The previous prime is 5543339. The next prime is 5543387. The reversal of 5543381 is 1833455.

5543381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5543381 - 2²² = 1349077 is a prime.

It is a super-2 number, since 2×5543381² = 61458145822322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525 + ... + 4178.

It is an arithmetic number, because the mean of its divisors is an integer number (1387728).

Almost surely, 2^5543381 is an apocalyptic number.

It is an amenable number.

5543381 is a deficient number, since it is larger than the sum of its proper divisors (7531).

5543381 is an equidigital number, since it uses as much as digits as its factorization.

5543381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530.

The product of its digits is 7200, while the sum is 29.

The square root of 5543381 is about 2354.4385742678. The cubic root of 5543381 is about 176.9802929531.

The spelling of 5543381 in words is "five million, five hundred forty-three thousand, three hundred eighty-one".