5453143221 has 4 divisors (see below), whose sum is σ = 7270857632. Its totient is φ = 3635428812.

The previous prime is 5453143123. The next prime is 5453143231. The reversal of 5453143221 is 1223413545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5453143221 - 2²⁵ = 5419588789 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 (5453143231) 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, 908857201 + ... + 908857206.

It is an arithmetic number, because the mean of its divisors is an integer number (1817714408).

Almost surely, 2^5453143221 is an apocalyptic number.

It is an amenable number.

5453143221 is a deficient number, since it is larger than the sum of its proper divisors (1817714411).

5453143221 is a wasteful number, since it uses less digits than its factorization.

5453143221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817714410.

The product of its digits is 14400, while the sum is 30.

The square root of 5453143221 is about 73845.4008114249. The cubic root of 5453143221 is about 1760.1471146181.

Adding to 5453143221 its reverse (1223413545), we get a palindrome (6676556766).

The spelling of 5453143221 in words is "five billion, four hundred fifty-three million, one hundred forty-three thousand, two hundred twenty-one".