550565006556 has 24 divisors (see below), whose sum is σ = 1300129415424. Its totient is φ = 181310564080.

The previous prime is 550565006549. The next prime is 550565006573. The reversal of 550565006556 is 655600565055.

It is a super-2 number, since 2×550565006556² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276387060 + ... + 276389051.

It is an arithmetic number, because the mean of its divisors is an integer number (54172058976).

Almost surely, 2^550565006556 is an apocalyptic number.

It is an amenable number.

550565006556 is an abundant number, since it is smaller than the sum of its proper divisors (749564408868).

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

550565006556 is a wasteful number, since it uses less digits than its factorization.

550565006556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552776201 (or 552776199 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 48.

The spelling of 550565006556 in words is "five hundred fifty billion, five hundred sixty-five million, six thousand, five hundred fifty-six".