4055539 has 2 divisors, whose sum is σ = 4055540. Its totient is φ = 4055538.

The previous prime is 4055497. The next prime is 4055543. The reversal of 4055539 is 9355504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4055539 - 2¹³ = 4047347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4055539.

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, 2027769 + 2027770.

It is an arithmetic number, because the mean of its divisors is an integer number (2027770).

Almost surely, 2^4055539 is an apocalyptic number.

4055539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4055539 is an equidigital number, since it uses as much as digits as its factorization.

4055539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 4055539 is about 2013.8368851523. The cubic root of 4055539 is about 159.4714197537.

The spelling of 4055539 in words is "four million, fifty-five thousand, five hundred thirty-nine".