53306533 has 16 divisors (see below), whose sum is σ = 64337920. Its totient is φ = 43145136.

The previous prime is 53306531. The next prime is 53306537. The reversal of 53306533 is 33560335.

53306533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53306533 - 2¹ = 53306531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53306531) 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 15 ways as a sum of consecutive naturals, for example, 64360 + ... + 65182.

It is an arithmetic number, because the mean of its divisors is an integer number (4021120).

Almost surely, 2^53306533 is an apocalyptic number.

It is an amenable number.

53306533 is a deficient number, since it is larger than the sum of its proper divisors (11031387).

53306533 is a wasteful number, since it uses less digits than its factorization.

53306533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 12150, while the sum is 28.

The square root of 53306533 is about 7301.1323094435. The cubic root of 53306533 is about 376.3513507903.

Adding to 53306533 its reverse (33560335), we get a palindrome (86866868).

The spelling of 53306533 in words is "fifty-three million, three hundred six thousand, five hundred thirty-three".