53445812 has 12 divisors (see below), whose sum is σ = 106891680. Its totient is φ = 22905336.

The previous prime is 53445793. The next prime is 53445827. The reversal of 53445812 is 21854435.

53445812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

53445812 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 954362 + ... + 954417.

It is an arithmetic number, because the mean of its divisors is an integer number (8907640).

Almost surely, 2^53445812 is an apocalyptic number.

It is an amenable number.

53445812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53445812 is a wasteful number, since it uses less digits than its factorization.

53445812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908790 (or 1908788 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 53445812 is about 7310.6642653045. The cubic root of 53445812 is about 376.6788419416.

The spelling of 53445812 in words is "fifty-three million, four hundred forty-five thousand, eight hundred twelve".