55600610556 has 24 divisors (see below), whose sum is σ = 136562903680. Its totient is φ = 17558087472.

The previous prime is 55600610551. The next prime is 55600610579. The reversal of 55600610556 is 65501600655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55600610551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121930936 + ... + 121931391.

Almost surely, 2^55600610556 is an apocalyptic number.

It is an amenable number.

55600610556 is an abundant number, since it is smaller than the sum of its proper divisors (80962293124).

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

55600610556 is a wasteful number, since it uses less digits than its factorization.

55600610556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243862353 (or 243862351 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

Subtracting 55600610556 from its reverse (65501600655), we obtain a palindrome (9900990099).

The spelling of 55600610556 in words is "fifty-five billion, six hundred million, six hundred ten thousand, five hundred fifty-six".