4055543 has 2 divisors, whose sum is σ = 4055544. Its totient is φ = 4055542.

The previous prime is 4055539. The next prime is 4055549. The reversal of 4055543 is 3455504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4055543 - 2² = 4055539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4055549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027771 + 2027772.

It is an arithmetic number, because the mean of its divisors is an integer number (2027772).

Almost surely, 2^4055543 is an apocalyptic number.

4055543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4055543 is an equidigital number, since it uses as much as digits as its factorization.

4055543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 4055543 is about 2013.8378782812. The cubic root of 4055543 is about 159.4714721829.

The spelling of 4055543 in words is "four million, fifty-five thousand, five hundred forty-three".