53688688 has 10 divisors (see below), whose sum is σ = 104021864. Its totient is φ = 26844336.

The previous prime is 53688659. The next prime is 53688697. The reversal of 53688688 is 88688635.

It is a happy number.

53688688 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 2×53688688² = 5764950438322688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1677756 + ... + 1677787.

Almost surely, 2^53688688 is an apocalyptic number.

It is an amenable number.

53688688 is a deficient number, since it is larger than the sum of its proper divisors (50333176).

53688688 is a wasteful number, since it uses less digits than its factorization.

53688688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355551 (or 3355545 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 52.

The square root of 53688688 is about 7327.2565125018. The cubic root of 53688688 is about 377.2485655192.

The spelling of 53688688 in words is "fifty-three million, six hundred eighty-eight thousand, six hundred eighty-eight".