53685804 has 24 divisors (see below), whose sum is σ = 125702640. Its totient is φ = 17833024.

The previous prime is 53685803. The next prime is 53685817. The reversal of 53685804 is 40858635.

It is a happy number.

53685804 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 2×53685804² = 5764331102252832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53685803) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4119 + ... + 11150.

It is an arithmetic number, because the mean of its divisors is an integer number (5237610).

Almost surely, 2^53685804 is an apocalyptic number.

It is an amenable number.

53685804 is an abundant number, since it is smaller than the sum of its proper divisors (72016836).

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

53685804 is a wasteful number, since it uses less digits than its factorization.

53685804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15569 (or 15567 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 53685804 is about 7327.0597104159. The cubic root of 53685804 is about 377.2418105000.

The spelling of 53685804 in words is "fifty-three million, six hundred eighty-five thousand, eight hundred four".