52533891 has 6 divisors (see below), whose sum is σ = 75882300. Its totient is φ = 35022588.

The previous prime is 52533889. The next prime is 52533907. The reversal of 52533891 is 19833525.

It is not a de Polignac number, because 52533891 - 2¹ = 52533889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52533851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2918541 + ... + 2918558.

It is an arithmetic number, because the mean of its divisors is an integer number (12647050).

Almost surely, 2^52533891 is an apocalyptic number.

52533891 is a deficient number, since it is larger than the sum of its proper divisors (23348409).

52533891 is a wasteful number, since it uses less digits than its factorization.

52533891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837105 (or 5837102 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 52533891 is about 7248.0266969707. The cubic root of 52533891 is about 374.5241751640.

The spelling of 52533891 in words is "fifty-two million, five hundred thirty-three thousand, eight hundred ninety-one".