555945549556 has 6 divisors (see below), whose sum is σ = 972904711730. Its totient is φ = 277972774776.

The previous prime is 555945549503. The next prime is 555945549557. The reversal of 555945549556 is 655945549555.

It can be written as a sum of positive squares in only one way, i.e., 320639062500 + 235306487056 = 566250^2 + 485084^2 .

It is a super-2 number, since 2×555945549556² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 555945549491 and 555945549500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555945549557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69493193691 + ... + 69493193698.

Almost surely, 2^555945549556 is an apocalyptic number.

It is an amenable number.

555945549556 is a deficient number, since it is larger than the sum of its proper divisors (416959162174).

555945549556 is a wasteful number, since it uses less digits than its factorization.

555945549556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138986387393 (or 138986387391 counting only the distinct ones).

The product of its digits is 607500000, while the sum is 67.

Subtracting 555945549556 from its reverse (655945549555), we obtain a palindrome (99999999999).

The spelling of 555945549556 in words is "five hundred fifty-five billion, nine hundred forty-five million, five hundred forty-nine thousand, five hundred fifty-six".