5400043 has 4 divisors (see below), whose sum is σ = 5890968. Its totient is φ = 4909120.

The previous prime is 5400037. The next prime is 5400053. The reversal of 5400043 is 3400045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5400043 - 2⁹ = 5399531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5400023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245446 + ... + 245467.

It is an arithmetic number, because the mean of its divisors is an integer number (1472742).

Almost surely, 2^5400043 is an apocalyptic number.

5400043 is a deficient number, since it is larger than the sum of its proper divisors (490925).

5400043 is a wasteful number, since it uses less digits than its factorization.

5400043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490924.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 5400043 is about 2323.7992598329. The cubic root of 5400043 is about 175.4415299684.

Adding to 5400043 its reverse (3400045), we get a palindrome (8800088).

The spelling of 5400043 in words is "five million, four hundred thousand, forty-three".