53685188 has 6 divisors (see below), whose sum is σ = 93949086. Its totient is φ = 26842592.

The previous prime is 53685169. The next prime is 53685193. The reversal of 53685188 is 88158635.

53685188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50580544 + 3104644 = 7112^2 + 1762^2 .

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, 6710645 + ... + 6710652.

It is an arithmetic number, because the mean of its divisors is an integer number (15658181).

Almost surely, 2^53685188 is an apocalyptic number.

It is an amenable number.

53685188 is a deficient number, since it is larger than the sum of its proper divisors (40263898).

53685188 is a wasteful number, since it uses less digits than its factorization.

53685188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13421301 (or 13421299 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 53685188 is about 7327.0176743338. The cubic root of 53685188 is about 377.2403676490.

The spelling of 53685188 in words is "fifty-three million, six hundred eighty-five thousand, one hundred eighty-eight".