53545321233 has 12 divisors (see below), whose sum is σ = 78497619408. Its totient is φ = 35164091160.

The previous prime is 53545321199. The next prime is 53545321253. The reversal of 53545321233 is 33212354535.

53545321233 is a `hidden beast` number, since 5 + 354 + 53 + 21 + 233 = 666.

It is not a de Polignac number, because 53545321233 - 2²⁰ = 53544272657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53545321253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44398503 + ... + 44399708.

It is an arithmetic number, because the mean of its divisors is an integer number (6541468284).

Almost surely, 2^53545321233 is an apocalyptic number.

It is an amenable number.

53545321233 is a deficient number, since it is larger than the sum of its proper divisors (24952298175).

53545321233 is a wasteful number, since it uses less digits than its factorization.

53545321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88798284 (or 88798281 counting only the distinct ones).

The product of its digits is 162000, while the sum is 36.

Adding to 53545321233 its reverse (33212354535), we get a palindrome (86757675768).

The spelling of 53545321233 in words is "fifty-three billion, five hundred forty-five million, three hundred twenty-one thousand, two hundred thirty-three".