5450861650 has 48 divisors (see below), whose sum is σ = 11031184584. Its totient is φ = 1991854080.

The previous prime is 5450861641. The next prime is 5450861659. The reversal of 5450861650 is 561680545.

It is an interprime number because it is at equal distance from previous prime (5450861641) and next prime (5450861659).

It can be written as a sum of positive squares in 12 ways, for example, as 177342489 + 5273519161 = 13317^2 + 72619^2 .

It is not an unprimeable number, because it can be changed into a prime (5450861659) 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, 19824 + ... + 106276.

Almost surely, 2^5450861650 is an apocalyptic number.

5450861650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5450861650 is an abundant number, since it is smaller than the sum of its proper divisors (5580322934).

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

5450861650 is a wasteful number, since it uses less digits than its factorization.

5450861650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86575 (or 86570 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 5450861650 is about 73829.9509007015. The cubic root of 5450861650 is about 1759.9016011190.

The spelling of 5450861650 in words is "five billion, four hundred fifty million, eight hundred sixty-one thousand, six hundred fifty".