5450861648 has 80 divisors (see below), whose sum is σ = 10911176640. Its totient is φ = 2637093888.

The previous prime is 5450861641. The next prime is 5450861659. The reversal of 5450861648 is 8461680545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5450861641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23394140 + ... + 23394372.

It is an arithmetic number, because the mean of its divisors is an integer number (136389708).

Almost surely, 2^5450861648 is an apocalyptic number.

It is an amenable number.

5450861648 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

5450861648 is a wasteful number, since it uses less digits than its factorization.

5450861648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 5450861648 is about 73829.9508871569. The cubic root of 5450861648 is about 1759.9016009037.

The spelling of 5450861648 in words is "five billion, four hundred fifty million, eight hundred sixty-one thousand, six hundred forty-eight".