550126823 has 2 divisors, whose sum is σ = 550126824. Its totient is φ = 550126822.

The previous prime is 550126769. The next prime is 550126873. The reversal of 550126823 is 328621055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550126823 - 2⁸ = 550126567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550126823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550126873) 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 as a sum of consecutive naturals, namely, 275063411 + 275063412.

It is an arithmetic number, because the mean of its divisors is an integer number (275063412).

Almost surely, 2^550126823 is an apocalyptic number.

550126823 is a deficient number, since it is larger than the sum of its proper divisors (1).

550126823 is an equidigital number, since it uses as much as digits as its factorization.

550126823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 550126823 is about 23454.7825187103. The cubic root of 550126823 is about 819.3842407799.

Adding to 550126823 its reverse (328621055), we get a palindrome (878747878).

The spelling of 550126823 in words is "five hundred fifty million, one hundred twenty-six thousand, eight hundred twenty-three".