5450861656 has 16 divisors (see below), whose sum is σ = 10343503800. Its totient is φ = 2692593984.

The previous prime is 5450861641. The next prime is 5450861659. The reversal of 5450861656 is 6561680545.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4103901 + ... + 4105228.

Almost surely, 2^5450861656 is an apocalyptic number.

It is an amenable number.

5450861656 is a deficient number, since it is larger than the sum of its proper divisors (4892642144).

5450861656 is a wasteful number, since it uses less digits than its factorization.

5450861656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209218 (or 8209214 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 5450861656 is about 73829.9509413355. The cubic root of 5450861656 is about 1759.9016017647.

The spelling of 5450861656 in words is "five billion, four hundred fifty million, eight hundred sixty-one thousand, six hundred fifty-six".