5648645808 has 480 divisors, whose sum is σ = 19017782784. Its totient is φ = 1609445376.

The previous prime is 5648645801. The next prime is 5648645833. The reversal of 5648645808 is 8085468465.

5648645808 is a `hidden beast` number, since 56 + 4 + 8 + 6 + 4 + 580 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5648645801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49987960 + ... + 49988072.

Almost surely, 2^5648645808 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 5648645808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9508891392).

5648645808 is an abundant number, since it is smaller than the sum of its proper divisors (13369136976).

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

5648645808 is a wasteful number, since it uses less digits than its factorization.

5648645808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The square root of 5648645808 is about 75157.4734008535. The cubic root of 5648645808 is about 1780.9351867352.

The spelling of 5648645808 in words is "five billion, six hundred forty-eight million, six hundred forty-five thousand, eight hundred eight".