550304543993 has 32 divisors (see below), whose sum is σ = 602577543168. Its totient is φ = 500560076800.

The previous prime is 550304543977. The next prime is 550304544017. The reversal of 550304543993 is 399345403055.

It is not a de Polignac number, because 550304543993 - 2⁴ = 550304543977 is a prime.

It is a super-2 number, since 2×550304543993² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550304543923) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 20894273 + ... + 20920593.

It is an arithmetic number, because the mean of its divisors is an integer number (18830548224).

Almost surely, 2^550304543993 is an apocalyptic number.

It is an amenable number.

550304543993 is a deficient number, since it is larger than the sum of its proper divisors (52272999175).

550304543993 is a wasteful number, since it uses less digits than its factorization.

550304543993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26713.

The product of its (nonzero) digits is 4374000, while the sum is 50.

The spelling of 550304543993 in words is "five hundred fifty billion, three hundred four million, five hundred forty-three thousand, nine hundred ninety-three".