550543727131 has 8 divisors (see below), whose sum is σ = 551252061360. Its totient is φ = 549835548288.

The previous prime is 550543727089. The next prime is 550543727143. The reversal of 550543727131 is 131727345055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550543727131 - 2¹³ = 550543718939 is a prime.

It is a super-2 number, since 2×550543727131² (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 (550543727161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8148135 + ... + 8215423.

It is an arithmetic number, because the mean of its divisors is an integer number (68906507670).

Almost surely, 2^550543727131 is an apocalyptic number.

550543727131 is a deficient number, since it is larger than the sum of its proper divisors (708334229).

550543727131 is an equidigital number, since it uses as much as digits as its factorization.

550543727131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77693.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 550543727131 in words is "five hundred fifty billion, five hundred forty-three million, seven hundred twenty-seven thousand, one hundred thirty-one".