52533993 has 32 divisors (see below), whose sum is σ = 77673600. Its totient is φ = 31449600.

The previous prime is 52533991. The next prime is 52534007. The reversal of 52533993 is 39933525.

52533993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52533993 - 2¹ = 52533991 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52533991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100573 + ... + 101093.

It is an arithmetic number, because the mean of its divisors is an integer number (2427300).

Almost surely, 2^52533993 is an apocalyptic number.

It is an amenable number.

52533993 is a deficient number, since it is larger than the sum of its proper divisors (25139607).

52533993 is a wasteful number, since it uses less digits than its factorization.

52533993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its digits is 109350, while the sum is 39.

The square root of 52533993 is about 7248.0337333652. The cubic root of 52533993 is about 374.5244175563.

The spelling of 52533993 in words is "fifty-two million, five hundred thirty-three thousand, nine hundred ninety-three".