53997688 has 16 divisors (see below), whose sum is σ = 102906360. Its totient is φ = 26556000.

The previous prime is 53997667. The next prime is 53997707. The reversal of 53997688 is 88679935.

It is a happy number.

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, 54838 + ... + 55813.

Almost surely, 2^53997688 is an apocalyptic number.

It is an amenable number.

53997688 is a deficient number, since it is larger than the sum of its proper divisors (48908672).

53997688 is a wasteful number, since it uses less digits than its factorization.

53997688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110718 (or 110714 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 53997688 is about 7348.3119149911. The cubic root of 53997688 is about 377.9709205628.

The spelling of 53997688 in words is "fifty-three million, nine hundred ninety-seven thousand, six hundred eighty-eight".