55568835648 has 252 divisors, whose sum is σ = 168274014480. Its totient is φ = 18200878848.

The previous prime is 55568835617. The next prime is 55568835653. The reversal of 55568835648 is 84653886555.

55568835648 is a `hidden beast` number, since 5 + 5 + 5 + 68 + 8 + 3 + 564 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24773215 + ... + 24775457.

Almost surely, 2^55568835648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55568835648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84137007240).

55568835648 is an abundant number, since it is smaller than the sum of its proper divisors (112705178832).

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

55568835648 is an frugal number, since it uses more digits than its factorization.

55568835648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338 (or 2307 counting only the distinct ones).

The product of its digits is 138240000, while the sum is 63.

The spelling of 55568835648 in words is "fifty-five billion, five hundred sixty-eight million, eight hundred thirty-five thousand, six hundred forty-eight".