53000812 has 24 divisors (see below), whose sum is σ = 94381056. Its totient is φ = 26038608.

The previous prime is 53000807. The next prime is 53000833. The reversal of 53000812 is 21800035.

It is a happy number.

53000812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53000812.

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 7 ways as a sum of consecutive naturals, for example, 87013 + ... + 87619.

It is an arithmetic number, because the mean of its divisors is an integer number (3932544).

Almost surely, 2^53000812 is an apocalyptic number.

It is an amenable number.

53000812 is a deficient number, since it is larger than the sum of its proper divisors (41380244).

53000812 is a wasteful number, since it uses less digits than its factorization.

53000812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 53000812 is about 7280.1656574559. The cubic root of 53000812 is about 375.6304937167.

Adding to 53000812 its reverse (21800035), we get a palindrome (74800847).

The spelling of 53000812 in words is "fifty-three million, eight hundred twelve", and thus it is an aban number.