505533422133 has 48 divisors (see below), whose sum is σ = 763768204800. Its totient is φ = 330474859200.

The previous prime is 505533422087. The next prime is 505533422137. The reversal of 505533422133 is 331224335505.

505533422133 is a `hidden beast` number, since 50 + 5 + 53 + 3 + 422 + 133 = 666.

It is not a de Polignac number, because 505533422133 - 2²¹ = 505531324981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505533422137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38434108 + ... + 38447258.

It is an arithmetic number, because the mean of its divisors is an integer number (15911837600).

Almost surely, 2^505533422133 is an apocalyptic number.

It is an amenable number.

505533422133 is a deficient number, since it is larger than the sum of its proper divisors (258234782667).

505533422133 is a wasteful number, since it uses less digits than its factorization.

505533422133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13687 (or 13622 counting only the distinct ones).

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

Adding to 505533422133 its reverse (331224335505), we get a palindrome (836757757638).

The spelling of 505533422133 in words is "five hundred five billion, five hundred thirty-three million, four hundred twenty-two thousand, one hundred thirty-three".