55568498688 has 190 divisors, whose sum is σ = 166082587286. Its totient is φ = 18515755008.

The previous prime is 55568498653. The next prime is 55568498707. The reversal of 55568498688 is 88689486555.

55568498688 is a `hidden beast` number, since 5 + 5 + 56 + 8 + 498 + 6 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55228760064 + 339738624 = 235008^2 + 18432^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21232356 + ... + 21234972.

Almost surely, 2^55568498688 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 55568498688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83041293643).

55568498688 is an abundant number, since it is smaller than the sum of its proper divisors (110514088598).

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

55568498688 is an frugal number, since it uses more digits than its factorization.

55568498688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2622 counting only the distinct ones).

The product of its digits is 663552000, while the sum is 72.

The spelling of 55568498688 in words is "fifty-five billion, five hundred sixty-eight million, four hundred ninety-eight thousand, six hundred eighty-eight".