5648541894 has 48 divisors (see below), whose sum is σ = 12794476032. Its totient is φ = 1797619824.

The previous prime is 5648541889. The next prime is 5648541911. The reversal of 5648541894 is 4981458465.

5648541894 is a `hidden beast` number, since 5 + 6 + 4 + 8 + 541 + 8 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5648541894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213987 + ... + 238929.

It is an arithmetic number, because the mean of its divisors is an integer number (266551584).

Almost surely, 2^5648541894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5648541894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6397238016).

5648541894 is an abundant number, since it is smaller than the sum of its proper divisors (7145934138).

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

5648541894 is a wasteful number, since it uses less digits than its factorization.

5648541894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25521 (or 25518 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The square root of 5648541894 is about 75156.7820891768. The cubic root of 5648541894 is about 1780.9242658148.

It can be divided in two parts, 564 and 8541894, that added together give a palindrome (8542458).

The spelling of 5648541894 in words is "five billion, six hundred forty-eight million, five hundred forty-one thousand, eight hundred ninety-four".