53664808 has 16 divisors (see below), whose sum is σ = 101145780. Its totient is φ = 26692608.

The previous prime is 53664803. The next prime is 53664823. The reversal of 53664808 is 80846635.

It can be written as a sum of positive squares in 2 ways, for example, as 49815364 + 3849444 = 7058^2 + 1962^2 .

It is not an unprimeable number, because it can be changed into a prime (53664803) 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, 15835 + ... + 18922.

Almost surely, 2^53664808 is an apocalyptic number.

It is an amenable number.

53664808 is a deficient number, since it is larger than the sum of its proper divisors (47480972).

53664808 is a wasteful number, since it uses less digits than its factorization.

53664808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34956 (or 34952 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 53664808 is about 7325.6267991210. The cubic root of 53664808 is about 377.1926255433.

The spelling of 53664808 in words is "fifty-three million, six hundred sixty-four thousand, eight hundred eight".