4453554455221 has 8 divisors (see below), whose sum is σ = 4534276312280. Its totient is φ = 4373365416192.

The previous prime is 4453554455153. The next prime is 4453554455239. The reversal of 4453554455221 is 1225544553544.

It can be written as a sum of positive squares in 4 ways, for example, as 3158123506321 + 1295430948900 = 1777111^2 + 1138170^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4453554455221 - 2³³ = 4444964520629 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 (4453554455261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133187640 + ... + 133221073.

It is an arithmetic number, because the mean of its divisors is an integer number (566784539035).

Almost surely, 2^{4453554455221} is an apocalyptic number.

It is an amenable number.

4453554455221 is a deficient number, since it is larger than the sum of its proper divisors (80721857059).

4453554455221 is a wasteful number, since it uses less digits than its factorization.

4453554455221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266409015.

The product of its digits is 9600000, while the sum is 49.

The spelling of 4453554455221 in words is "four trillion, four hundred fifty-three billion, five hundred fifty-four million, four hundred fifty-five thousand, two hundred twenty-one".