550055429 has 24 divisors (see below), whose sum is σ = 712914048. Its totient is φ = 419475840.

The previous prime is 550055381. The next prime is 550055459. The reversal of 550055429 is 924550055.

It is a de Polignac number, because none of the positive numbers 2^k-550055429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550055459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14477 + ... + 36189.

It is an arithmetic number, because the mean of its divisors is an integer number (29704752).

Almost surely, 2^550055429 is an apocalyptic number.

It is an amenable number.

550055429 is a deficient number, since it is larger than the sum of its proper divisors (162858619).

550055429 is a wasteful number, since it uses less digits than its factorization.

550055429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21785 (or 21778 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 550055429 is about 23453.2605195951. The cubic root of 550055429 is about 819.3487934086.

The spelling of 550055429 in words is "five hundred fifty million, fifty-five thousand, four hundred twenty-nine".