553439 has 2 divisors, whose sum is σ = 553440. Its totient is φ = 553438.

The previous prime is 553433. The next prime is 553447. The reversal of 553439 is 934355.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276719 + 276720.

It is an arithmetic number, because the mean of its divisors is an integer number (276720).

2⁵⁵³⁴³⁹ is an apocalyptic number.

553439 is a deficient number, since it is larger than the sum of its proper divisors (1).

553439 is an equidigital number, since it uses as much as digits as its factorization.

553439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 29.

The square root of 553439 is about 743.9348089719. The cubic root of 553439 is about 82.1025387878.

The spelling of 553439 in words is "five hundred fifty-three thousand, four hundred thirty-nine".