53253664 has 24 divisors (see below), whose sum is σ = 105887628. Its totient is φ = 26361600.

The previous prime is 53253649. The next prime is 53253709. The reversal of 53253664 is 46635235.

It can be written as a sum of positive squares in 2 ways, for example, as 50979600 + 2274064 = 7140^2 + 1508^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5007 + ... + 11470.

Almost surely, 2^53253664 is an apocalyptic number.

It is an amenable number.

53253664 is a deficient number, since it is larger than the sum of its proper divisors (52633964).

53253664 is a wasteful number, since it uses less digits than its factorization.

53253664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16588 (or 16580 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 53253664 is about 7297.5108084881. The cubic root of 53253664 is about 376.2268888649.

Adding to 53253664 its reverse (46635235), we get a palindrome (99888899).

The spelling of 53253664 in words is "fifty-three million, two hundred fifty-three thousand, six hundred sixty-four".