550443525427831 has 4 divisors (see below), whose sum is σ = 629078314774672. Its totient is φ = 471808736080992.

The previous prime is 550443525427813. The next prime is 550443525427871. The reversal of 550443525427831 is 138724525344055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550443525427831 - 2⁹ = 550443525427319 is a prime.

It is a super-3 number, since 3×550443525427831³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550443525427811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39317394673410 + ... + 39317394673423.

It is an arithmetic number, because the mean of its divisors is an integer number (157269578693668).

Almost surely, 2^{550443525427831} is an apocalyptic number.

550443525427831 is a deficient number, since it is larger than the sum of its proper divisors (78634789346841).

550443525427831 is an equidigital number, since it uses as much as digits as its factorization.

550443525427831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78634789346840.

The product of its (nonzero) digits is 80640000, while the sum is 58.

The spelling of 550443525427831 in words is "five hundred fifty trillion, four hundred forty-three billion, five hundred twenty-five million, four hundred twenty-seven thousand, eight hundred thirty-one".