555601565648 has 10 divisors (see below), whose sum is σ = 1076478033474. Its totient is φ = 277800782816.

The previous prime is 555601565639. The next prime is 555601565657. The reversal of 555601565648 is 846565106555.

It is an interprime number because it is at equal distance from previous prime (555601565639) and next prime (555601565657).

It can be written as a sum of positive squares in only one way, i.e., 548624638864 + 6976926784 = 740692^2 + 83528^2 .

It is a super-3 number, since 3×555601565648³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 555601565593 and 555601565602.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17362548911 + ... + 17362548942.

Almost surely, 2^555601565648 is an apocalyptic number.

It is an amenable number.

555601565648 is a deficient number, since it is larger than the sum of its proper divisors (520876467826).

555601565648 is a wasteful number, since it uses less digits than its factorization.

555601565648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34725097861 (or 34725097855 counting only the distinct ones).

The product of its (nonzero) digits is 21600000, while the sum is 56.

The spelling of 555601565648 in words is "five hundred fifty-five billion, six hundred one million, five hundred sixty-five thousand, six hundred forty-eight".