52041520 has 20 divisors (see below), whose sum is σ = 120996720. Its totient is φ = 20816576.

The previous prime is 52041491. The next prime is 52041523. The reversal of 52041520 is 2514025.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52041523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325180 + ... + 325339.

It is an arithmetic number, because the mean of its divisors is an integer number (6049836).

Almost surely, 2^52041520 is an apocalyptic number.

It is an amenable number.

52041520 is an abundant number, since it is smaller than the sum of its proper divisors (68955200).

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

52041520 is a wasteful number, since it uses less digits than its factorization.

52041520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650532 (or 650526 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 52041520 is about 7213.9808705042. The cubic root of 52041520 is about 373.3504314732.

Adding to 52041520 its reverse (2514025), we get a palindrome (54555545).

It can be divided in two parts, 5204 and 1520, that added together give a square (6724 = 82²).

The spelling of 52041520 in words is "fifty-two million, forty-one thousand, five hundred twenty".