544216453 has 4 divisors (see below), whose sum is σ = 593690688. Its totient is φ = 494742220.

The previous prime is 544216433. The next prime is 544216457. The reversal of 544216453 is 354612445.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544216453 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 (544216457) 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, 24737101 + ... + 24737122.

It is an arithmetic number, because the mean of its divisors is an integer number (148422672).

Almost surely, 2^544216453 is an apocalyptic number.

It is an amenable number.

544216453 is a deficient number, since it is larger than the sum of its proper divisors (49474235).

544216453 is a wasteful number, since it uses less digits than its factorization.

544216453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49474234.

The product of its digits is 57600, while the sum is 34.

The square root of 544216453 is about 23328.4472908078. The cubic root of 544216453 is about 816.4392764301.

Adding to 544216453 its reverse (354612445), we get a palindrome (898828898).

The spelling of 544216453 in words is "five hundred forty-four million, two hundred sixteen thousand, four hundred fifty-three".