52663520 has 96 divisors (see below), whose sum is σ = 153171648. Its totient is φ = 16662528.

The previous prime is 52663493. The next prime is 52663529. The reversal of 52663520 is 2536625.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52663529) 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 15 ways as a sum of consecutive naturals, for example, 12752 + ... + 16368.

It is an arithmetic number, because the mean of its divisors is an integer number (1595538).

Almost surely, 2^52663520 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 52663520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76585824).

52663520 is an abundant number, since it is smaller than the sum of its proper divisors (100508128).

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

52663520 is a wasteful number, since it uses less digits than its factorization.

52663520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 52663520 is about 7256.9635523406. The cubic root of 52663520 is about 374.8319721297.

It can be divided in two parts, 526 and 63520, that added together give a palindrome (64046).

The spelling of 52663520 in words is "fifty-two million, six hundred sixty-three thousand, five hundred twenty".