53585533 has 4 divisors (see below), whose sum is σ = 55433340. Its totient is φ = 51737728.

The previous prime is 53585531. The next prime is 53585549. The reversal of 53585533 is 33558535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33558535 = 5 ⋅6711707.

It can be written as a sum of positive squares in 2 ways, for example, as 22638564 + 30946969 = 4758^2 + 5563^2 .

It is a cyclic number.

It is not a de Polignac number, because 53585533 - 2¹ = 53585531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53585492 and 53585501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53585531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923860 + ... + 923917.

It is an arithmetic number, because the mean of its divisors is an integer number (13858335).

Almost surely, 2^53585533 is an apocalyptic number.

It is an amenable number.

53585533 is a deficient number, since it is larger than the sum of its proper divisors (1847807).

53585533 is a wasteful number, since it uses less digits than its factorization.

53585533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847806.

The product of its digits is 135000, while the sum is 37.

The square root of 53585533 is about 7320.2139996041. The cubic root of 53585533 is about 377.0068012104.

It can be divided in two parts, 535 and 85533, that added together give a palindrome (86068).

The spelling of 53585533 in words is "fifty-three million, five hundred eighty-five thousand, five hundred thirty-three".