53260644 has 24 divisors (see below), whose sum is σ = 124467840. Its totient is φ = 17725984.

The previous prime is 53260637. The next prime is 53260673. The reversal of 53260644 is 44606235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5542 + ... + 11714.

It is an arithmetic number, because the mean of its divisors is an integer number (5186160).

Almost surely, 2^53260644 is an apocalyptic number.

It is an amenable number.

53260644 is an abundant number, since it is smaller than the sum of its proper divisors (71207196).

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

53260644 is a wasteful number, since it uses less digits than its factorization.

53260644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899 (or 6897 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 53260644 is about 7297.9890380844. The cubic root of 53260644 is about 376.2433255991.

Adding to 53260644 its reverse (44606235), we get a palindrome (97866879).

The spelling of 53260644 in words is "fifty-three million, two hundred sixty thousand, six hundred forty-four".