550806027856 has 60 divisors (see below), whose sum is σ = 1248597391572. Its totient is φ = 234695161344.

The previous prime is 550806027853. The next prime is 550806027857. The reversal of 550806027856 is 658720608055.

It can be written as a sum of positive squares in 2 ways, for example, as 269863626256 + 280942401600 = 519484^2 + 530040^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550806027853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1894885 + ... + 2166148.

Almost surely, 2^550806027856 is an apocalyptic number.

550806027856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

550806027856 is an abundant number, since it is smaller than the sum of its proper divisors (697791363716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550806027856 is a wasteful number, since it uses less digits than its factorization.

550806027856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061228 (or 4061215 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 550806027856 in words is "five hundred fifty billion, eight hundred six million, twenty-seven thousand, eight hundred fifty-six".