53505606 has 64 divisors (see below), whose sum is σ = 134369280. Its totient is φ = 13798560.

The previous prime is 53505587. The next prime is 53505607. The reversal of 53505606 is 60650535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82375 + ... + 83021.

It is an arithmetic number, because the mean of its divisors is an integer number (2099520).

Almost surely, 2^53505606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53505606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67184640).

53505606 is an abundant number, since it is smaller than the sum of its proper divisors (80863674).

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

53505606 is a wasteful number, since it uses less digits than its factorization.

53505606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 53505606 is about 7314.7526273962. The cubic root of 53505606 is about 376.8192629250.

Subtracting 53505606 from its reverse (60650535), we obtain a square (7144929 = 2673²).

The spelling of 53505606 in words is "fifty-three million, five hundred five thousand, six hundred six".