5450562661 has 16 divisors (see below), whose sum is σ = 6082473600. Its totient is φ = 4853910528.

The previous prime is 5450562643. The next prime is 5450562671. The reversal of 5450562661 is 1662650545.

It is a cyclic number.

It is not a de Polignac number, because 5450562661 - 2⁵ = 5450562629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5450562671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260941 + ... + 281053.

It is an arithmetic number, because the mean of its divisors is an integer number (380154600).

Almost surely, 2^5450562661 is an apocalyptic number.

It is an amenable number.

5450562661 is a deficient number, since it is larger than the sum of its proper divisors (631910939).

5450562661 is a wasteful number, since it uses less digits than its factorization.

5450562661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20988.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 5450562661 is about 73827.9260239647. The cubic root of 5450562661 is about 1759.8694226687.

The spelling of 5450562661 in words is "five billion, four hundred fifty million, five hundred sixty-two thousand, six hundred sixty-one".