53318133 has 12 divisors (see below), whose sum is σ = 84016608. Its totient is φ = 32313960.

The previous prime is 53318119. The next prime is 53318143. The reversal of 53318133 is 33181335.

It is not a de Polignac number, because 53318133 - 2¹⁶ = 53252597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53318097 and 53318106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53318143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269185 + ... + 269382.

It is an arithmetic number, because the mean of its divisors is an integer number (7001384).

Almost surely, 2^53318133 is an apocalyptic number.

It is an amenable number.

53318133 is a deficient number, since it is larger than the sum of its proper divisors (30698475).

53318133 is a wasteful number, since it uses less digits than its factorization.

53318133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538584 (or 538581 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 53318133 is about 7301.9266635594. The cubic root of 53318133 is about 376.3786480013.

Adding to 53318133 its reverse (33181335), we get a palindrome (86499468).

The spelling of 53318133 in words is "fifty-three million, three hundred eighteen thousand, one hundred thirty-three".