52563516 has 12 divisors (see below), whose sum is σ = 122648232. Its totient is φ = 17521168.

The previous prime is 52563503. The next prime is 52563521. The reversal of 52563516 is 61536525.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 2190135 + ... + 2190158.

It is an arithmetic number, because the mean of its divisors is an integer number (10220686).

Almost surely, 2^52563516 is an apocalyptic number.

It is an amenable number.

52563516 is an abundant number, since it is smaller than the sum of its proper divisors (70084716).

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

52563516 is a wasteful number, since it uses less digits than its factorization.

52563516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380300 (or 4380298 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 52563516 is about 7250.0700686269. The cubic root of 52563516 is about 374.5945627018.

The spelling of 52563516 in words is "fifty-two million, five hundred sixty-three thousand, five hundred sixteen".