5655578112 has 240 divisors, whose sum is σ = 17105280192. Its totient is φ = 1865410560.

The previous prime is 5655578111. The next prime is 5655578143. The reversal of 5655578112 is 2118755565.

5655578112 is a `hidden beast` number, since 5 + 6 + 5 + 557 + 81 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655578111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16298323 + ... + 16298669.

Almost surely, 2^5655578112 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 5655578112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8552640096).

5655578112 is an abundant number, since it is smaller than the sum of its proper divisors (11449702080).

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

5655578112 is an equidigital number, since it uses as much as digits as its factorization.

5655578112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 483 counting only the distinct ones).

The product of its digits is 420000, while the sum is 45.

The square root of 5655578112 is about 75203.5777872303. The cubic root of 5655578112 is about 1781.6634401633.

The spelling of 5655578112 in words is "five billion, six hundred fifty-five million, five hundred seventy-eight thousand, one hundred twelve".