53601644 has 12 divisors (see below), whose sum is σ = 93888144. Its totient is φ = 26776464.

The previous prime is 53601643. The next prime is 53601659. The reversal of 53601644 is 44610635.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53601643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (7824012).

Almost surely, 2^53601644 is an apocalyptic number.

It is an amenable number.

53601644 is a deficient number, since it is larger than the sum of its proper divisors (40286500).

53601644 is a wasteful number, since it uses less digits than its factorization.

53601644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184 (or 12182 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 53601644 is about 7321.3143628723. The cubic root of 53601644 is about 377.0445809842.

It can be divided in two parts, 53601 and 644, that added together give a palindrome (54245).

The spelling of 53601644 in words is "fifty-three million, six hundred one thousand, six hundred forty-four".