53316453 has 4 divisors (see below), whose sum is σ = 71088608. Its totient is φ = 35544300.

The previous prime is 53316407. The next prime is 53316469. The reversal of 53316453 is 35461335.

It is a happy number.

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 53316453 - 2¹⁰ = 53315429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53316453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53316853) 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, 8886073 + ... + 8886078.

It is an arithmetic number, because the mean of its divisors is an integer number (17772152).

Almost surely, 2^53316453 is an apocalyptic number.

It is an amenable number.

53316453 is a deficient number, since it is larger than the sum of its proper divisors (17772155).

53316453 is a wasteful number, since it uses less digits than its factorization.

53316453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17772154.

The product of its digits is 16200, while the sum is 30.

The square root of 53316453 is about 7301.8116245217. The cubic root of 53316453 is about 376.3746948573.

Adding to 53316453 its reverse (35461335), we get a palindrome (88777788).

The spelling of 53316453 in words is "fifty-three million, three hundred sixteen thousand, four hundred fifty-three".