53605449 has 16 divisors (see below), whose sum is σ = 79728000. Its totient is φ = 35596368.

The previous prime is 53605439. The next prime is 53605463. The reversal of 53605449 is 94450635.

It is a happy number.

53605449 is a `hidden beast` number, since 5 + 3 + 605 + 4 + 49 = 666.

53605449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53605449 - 2⁹ = 53604937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53605429) 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 15 ways as a sum of consecutive naturals, for example, 3327 + ... + 10875.

It is an arithmetic number, because the mean of its divisors is an integer number (4983000).

Almost surely, 2^53605449 is an apocalyptic number.

It is an amenable number.

53605449 is a deficient number, since it is larger than the sum of its proper divisors (26122551).

53605449 is a wasteful number, since it uses less digits than its factorization.

53605449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821 (or 7815 counting only the distinct ones).

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

The square root of 53605449 is about 7321.5742159730. The cubic root of 53605449 is about 377.0535024809.

The spelling of 53605449 in words is "fifty-three million, six hundred five thousand, four hundred forty-nine".