53305688 has 16 divisors (see below), whose sum is σ = 100883880. Its totient is φ = 26403328.

The previous prime is 53305657. The next prime is 53305717. The reversal of 53305688 is 88650335.

It is a congruent number.

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, 30281 + ... + 31992.

Almost surely, 2^53305688 is an apocalyptic number.

It is an amenable number.

53305688 is a deficient number, since it is larger than the sum of its proper divisors (47578192).

53305688 is a wasteful number, since it uses less digits than its factorization.

53305688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62386 (or 62382 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 53305688 is about 7301.0744414778. The cubic root of 53305688 is about 376.3493621749.

The spelling of 53305688 in words is "fifty-three million, three hundred five thousand, six hundred eighty-eight".