53685606 has 16 divisors (see below), whose sum is σ = 115630704. Its totient is φ = 16518624.

The previous prime is 53685589. The next prime is 53685607. The reversal of 53685606 is 60658635.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53685607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344061 + ... + 344216.

It is an arithmetic number, because the mean of its divisors is an integer number (7226919).

Almost surely, 2^53685606 is an apocalyptic number.

53685606 is an abundant number, since it is smaller than the sum of its proper divisors (61945098).

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

53685606 is a wasteful number, since it uses less digits than its factorization.

53685606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688295.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 53685606 is about 7327.0461988444. The cubic root of 53685606 is about 377.2413467277.

The spelling of 53685606 in words is "fifty-three million, six hundred eighty-five thousand, six hundred six".