53875520 has 56 divisors (see below), whose sum is σ = 132453888. Its totient is φ = 20851200.

The previous prime is 53875513. The next prime is 53875529. The reversal of 53875520 is 2557835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53875529) 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, 7205 + ... + 12635.

It is an arithmetic number, because the mean of its divisors is an integer number (2365248).

Almost surely, 2^53875520 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 53875520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66226944).

53875520 is an abundant number, since it is smaller than the sum of its proper divisors (78578368).

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

53875520 is a wasteful number, since it uses less digits than its factorization.

53875520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479 (or 5469 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 53875520 is about 7339.9945504067. The cubic root of 53875520 is about 377.6856563794.

The spelling of 53875520 in words is "fifty-three million, eight hundred seventy-five thousand, five hundred twenty".