53440612 has 24 divisors (see below), whose sum is σ = 94744832. Its totient is φ = 26373600.

The previous prime is 53440609. The next prime is 53440613. The reversal of 53440612 is 21604435.

53440612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53440613) 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 7 ways as a sum of consecutive naturals, for example, 161287 + ... + 161617.

Almost surely, 2^53440612 is an apocalyptic number.

It is an amenable number.

53440612 is a deficient number, since it is larger than the sum of its proper divisors (41304220).

53440612 is a wasteful number, since it uses less digits than its factorization.

53440612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 53440612 is about 7310.3086118166. The cubic root of 53440612 is about 376.6666252469. Note that the first 4 decimals are identical.

The spelling of 53440612 in words is "fifty-three million, four hundred forty thousand, six hundred twelve".