53905446 has 32 divisors (see below), whose sum is σ = 136903680. Its totient is φ = 15401448.

The previous prime is 53905441. The next prime is 53905457. The reversal of 53905446 is 64450935.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53905446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53905441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70926 + ... + 71681.

It is an arithmetic number, because the mean of its divisors is an integer number (4278240).

Almost surely, 2^53905446 is an apocalyptic number.

53905446 is an abundant number, since it is smaller than the sum of its proper divisors (82998234).

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

53905446 is a wasteful number, since it uses less digits than its factorization.

53905446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142625 (or 142619 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 53905446 is about 7342.0328247700. The cubic root of 53905446 is about 377.7555739032.

The spelling of 53905446 in words is "fifty-three million, nine hundred five thousand, four hundred forty-six".