53605144 has 16 divisors (see below), whose sum is σ = 101506320. Its totient is φ = 26536800.

The previous prime is 53605087. The next prime is 53605147. The reversal of 53605144 is 44150635.

53605144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53605144² = 5747022926521472, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53605147) 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 3 ways as a sum of consecutive naturals, for example, 32364 + ... + 33979.

It is an arithmetic number, because the mean of its divisors is an integer number (6344145).

Almost surely, 2^53605144 is an apocalyptic number.

It is an amenable number.

53605144 is a deficient number, since it is larger than the sum of its proper divisors (47901176).

53605144 is a wasteful number, since it uses less digits than its factorization.

53605144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66450 (or 66446 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 53605144 is about 7321.5533870894. The cubic root of 53605144 is about 377.0527873700.

Adding to 53605144 its reverse (44150635), we get a palindrome (97755779).

The spelling of 53605144 in words is "fifty-three million, six hundred five thousand, one hundred forty-four".