550111439 has 2 divisors, whose sum is σ = 550111440. Its totient is φ = 550111438.

The previous prime is 550111379. The next prime is 550111477. The reversal of 550111439 is 934111055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550111439 - 2⁸ = 550111183 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 (550111489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275055719 + 275055720.

It is an arithmetic number, because the mean of its divisors is an integer number (275055720).

Almost surely, 2^550111439 is an apocalyptic number.

550111439 is a deficient number, since it is larger than the sum of its proper divisors (1).

550111439 is an equidigital number, since it uses as much as digits as its factorization.

550111439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 550111439 is about 23454.4545662439. The cubic root of 550111439 is about 819.3766028292.

The spelling of 550111439 in words is "five hundred fifty million, one hundred eleven thousand, four hundred thirty-nine".