53533020 has 48 divisors (see below), whose sum is σ = 150480288. Its totient is φ = 14219520.

The previous prime is 53533009. The next prime is 53533033. The reversal of 53533020 is 2033535.

53533020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 15010 + ... + 18230.

It is an arithmetic number, because the mean of its divisors is an integer number (3135006).

Almost surely, 2^53533020 is an apocalyptic number.

It is an amenable number.

53533020 is an abundant number, since it is smaller than the sum of its proper divisors (96947268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53533020 is a wasteful number, since it uses less digits than its factorization.

53533020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510 (or 3508 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 53533020 is about 7316.6262717184. The cubic root of 53533020 is about 376.8836073324.

Adding to 53533020 its reverse (2033535), we get a palindrome (55566555).

The spelling of 53533020 in words is "fifty-three million, five hundred thirty-three thousand, twenty".