555601565656 has 8 divisors (see below), whose sum is σ = 1041752935620. Its totient is φ = 277800782824.

The previous prime is 555601565639. The next prime is 555601565657. The reversal of 555601565656 is 656565106555.

555601565656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 555601565597 and 555601565606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555601565657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34725097846 + ... + 34725097861.

Almost surely, 2^555601565656 is an apocalyptic number.

It is an amenable number.

555601565656 is a deficient number, since it is larger than the sum of its proper divisors (486151369964).

555601565656 is a wasteful number, since it uses less digits than its factorization.

555601565656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69450195713 (or 69450195709 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 55.

The spelling of 555601565656 in words is "five hundred fifty-five billion, six hundred one million, five hundred sixty-five thousand, six hundred fifty-six".