550403433305 has 24 divisors (see below), whose sum is σ = 727258564032. Its totient is φ = 399592116000.

The previous prime is 550403433289. The next prime is 550403433341. The reversal of 550403433305 is 503334304055.

It is not a de Polignac number, because 550403433305 - 2⁴ = 550403433289 is a prime.

It is a super-4 number, since 4×550403433305⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451181 + ... + 1142090.

It is an arithmetic number, because the mean of its divisors is an integer number (30302440168).

Almost surely, 2^550403433305 is an apocalyptic number.

550403433305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550403433305 is a deficient number, since it is larger than the sum of its proper divisors (176855130727).

550403433305 is a wasteful number, since it uses less digits than its factorization.

550403433305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593869 (or 1593858 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 35.

The spelling of 550403433305 in words is "five hundred fifty billion, four hundred three million, four hundred thirty-three thousand, three hundred five".