53685604 has 12 divisors (see below), whose sum is σ = 107371264. Its totient is φ = 23008104.

The previous prime is 53685589. The next prime is 53685607. The reversal of 53685604 is 40658635.

53685604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

53685604 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53685607) 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 3 ways as a sum of consecutive naturals, for example, 958644 + ... + 958699.

Almost surely, 2^53685604 is an apocalyptic number.

It is an amenable number.

53685604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53685604 is a wasteful number, since it uses less digits than its factorization.

53685604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917354 (or 1917352 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 53685604 is about 7327.0460623637. The cubic root of 53685604 is about 377.2413420431.

It can be divided in two parts, 53685 and 604, that added together give a square (54289 = 233²).

The spelling of 53685604 in words is "fifty-three million, six hundred eighty-five thousand, six hundred four".