53204520 has 128 divisors (see below), whose sum is σ = 171383040. Its totient is φ = 13178880.

The previous prime is 53204519. The next prime is 53204533. The reversal of 53204520 is 2540235.

53204520 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 31 ways as a sum of consecutive naturals, for example, 101860 + ... + 102380.

It is an arithmetic number, because the mean of its divisors is an integer number (1338930).

Almost surely, 2^53204520 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 53204520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85691520).

53204520 is an abundant number, since it is smaller than the sum of its proper divisors (118178520).

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

53204520 is a wasteful number, since it uses less digits than its factorization.

53204520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 53204520 is about 7294.1428557439. The cubic root of 53204520 is about 376.1111222789. Note that the first 4 decimals are identical.

Adding to 53204520 its reverse (2540235), we get a palindrome (55744755).

The spelling of 53204520 in words is "fifty-three million, two hundred four thousand, five hundred twenty".