53133453 has 24 divisors (see below), whose sum is σ = 79747200. Its totient is φ = 34065024.

The previous prime is 53133439. The next prime is 53133463. The reversal of 53133453 is 35433135.

It is a happy number.

53133453 is a `hidden beast` number, since 5 + 313 + 345 + 3 = 666.

It is not a de Polignac number, because 53133453 - 2⁶ = 53133389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53133403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23893 + ... + 26021.

It is an arithmetic number, because the mean of its divisors is an integer number (3322800).

Almost surely, 2^53133453 is an apocalyptic number.

It is an amenable number.

53133453 is a deficient number, since it is larger than the sum of its proper divisors (26613747).

53133453 is a wasteful number, since it uses less digits than its factorization.

53133453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241 (or 2238 counting only the distinct ones).

The product of its digits is 8100, while the sum is 27.

The square root of 53133453 is about 7289.2697165080. The cubic root of 53133453 is about 375.9435863945.

Adding to 53133453 its reverse (35433135), we get a palindrome (88566588).

The spelling of 53133453 in words is "fifty-three million, one hundred thirty-three thousand, four hundred fifty-three".