53542520 has 64 divisors (see below), whose sum is σ = 129470400. Its totient is φ = 19855360.

The previous prime is 53542519. The next prime is 53542529. The reversal of 53542520 is 2524535.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 53542520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53542529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47726 + ... + 48834.

It is an arithmetic number, because the mean of its divisors is an integer number (2022975).

Almost surely, 2^53542520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53542520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64735200).

53542520 is an abundant number, since it is smaller than the sum of its proper divisors (75927880).

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

53542520 is a wasteful number, since it uses less digits than its factorization.

53542520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 53542520 is about 7317.2754492366. The cubic root of 53542520 is about 376.9059000064.

The spelling of 53542520 in words is "fifty-three million, five hundred forty-two thousand, five hundred twenty".