53566938 has 24 divisors (see below), whose sum is σ = 116251200. Its totient is φ = 17826504.

The previous prime is 53566937. The next prime is 53566979. The reversal of 53566938 is 83966535.

53566938 is a `hidden beast` number, since 53 + 566 + 9 + 38 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53566893 and 53566902.

It is not an unprimeable number, because it can be changed into a prime (53566937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10873 + ... + 15011.

It is an arithmetic number, because the mean of its divisors is an integer number (4843800).

Almost surely, 2^53566938 is an apocalyptic number.

53566938 is an abundant number, since it is smaller than the sum of its proper divisors (62684262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53566938 is a wasteful number, since it uses less digits than its factorization.

53566938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866 (or 4863 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 53566938 is about 7318.9437762562. The cubic root of 53566938 is about 376.9631871219.

The spelling of 53566938 in words is "fifty-three million, five hundred sixty-six thousand, nine hundred thirty-eight".