5454447707081 has 4 divisors (see below), whose sum is σ = 5494261194132. Its totient is φ = 5414634220032.

The previous prime is 5454447707069. The next prime is 5454447707083. The reversal of 5454447707081 is 1807077444545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2648889706681 + 2805558000400 = 1627541^2 + 1674980^2 .

It is a cyclic number.

It is not a de Polignac number, because 5454447707081 - 2⁶ = 5454447707017 is a prime.

It is a super-2 number, since 2×5454447707081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5454447707083) 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, 19906743320 + ... + 19906743593.

It is an arithmetic number, because the mean of its divisors is an integer number (1373565298533).

Almost surely, 2^{5454447707081} is an apocalyptic number.

It is an amenable number.

5454447707081 is a deficient number, since it is larger than the sum of its proper divisors (39813487051).

5454447707081 is a wasteful number, since it uses less digits than its factorization.

5454447707081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39813487050.

The product of its (nonzero) digits is 17561600, while the sum is 56.

The spelling of 5454447707081 in words is "five trillion, four hundred fifty-four billion, four hundred forty-seven million, seven hundred seven thousand, eighty-one".