53307533033 has 4 divisors (see below), whose sum is σ = 53338726980. Its totient is φ = 53276339088.

The previous prime is 53307533011. The next prime is 53307533047. The reversal of 53307533033 is 33033570335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21805542889 + 31501990144 = 147667^2 + 177488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53307533033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53307532984 and 53307533002.

It is not an unprimeable number, because it can be changed into a prime (53307533093) 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 3 ways as a sum of consecutive naturals, for example, 15594410 + ... + 15597827.

It is an arithmetic number, because the mean of its divisors is an integer number (13334681745).

Almost surely, 2^53307533033 is an apocalyptic number.

It is an amenable number.

53307533033 is a deficient number, since it is larger than the sum of its proper divisors (31193947).

53307533033 is a wasteful number, since it uses less digits than its factorization.

53307533033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31193946.

The product of its (nonzero) digits is 127575, while the sum is 35.

The spelling of 53307533033 in words is "fifty-three billion, three hundred seven million, five hundred thirty-three thousand, thirty-three".