53445552 has 40 divisors (see below), whose sum is σ = 146191536. Its totient is φ = 16766976.

The previous prime is 53445547. The next prime is 53445589. The reversal of 53445552 is 25554435.

53445552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 31933 + ... + 33564.

Almost surely, 2^53445552 is an apocalyptic number.

It is an amenable number.

53445552 is an abundant number, since it is smaller than the sum of its proper divisors (92745984).

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

53445552 is a wasteful number, since it uses less digits than its factorization.

53445552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65525 (or 65519 counting only the distinct ones).

The product of its digits is 60000, while the sum is 33.

The square root of 53445552 is about 7310.6464830410. The cubic root of 53445552 is about 376.6782311257.

Adding to 53445552 its reverse (25554435), we get a palindrome (78999987).

The spelling of 53445552 in words is "fifty-three million, four hundred forty-five thousand, five hundred fifty-two".