53205570 has 96 divisors (see below), whose sum is σ = 152216064. Its totient is φ = 12787200.

The previous prime is 53205557. The next prime is 53205589. The reversal of 53205570 is 7550235.

53205570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 47 ways as a sum of consecutive naturals, for example, 220650 + ... + 220890.

It is an arithmetic number, because the mean of its divisors is an integer number (1585584).

Almost surely, 2^53205570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53205570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76108032).

53205570 is an abundant number, since it is smaller than the sum of its proper divisors (99010494).

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

53205570 is a wasteful number, since it uses less digits than its factorization.

53205570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 53205570 is about 7294.2148309465. The cubic root of 53205570 is about 376.1135964677.

The spelling of 53205570 in words is "fifty-three million, two hundred five thousand, five hundred seventy".