52542521216 has 16 divisors (see below), whose sum is σ = 104674554240. Its totient is φ = 26271260544.

The previous prime is 52542521203. The next prime is 52542521237. The reversal of 52542521216 is 61212524525.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205244096 + ... + 205244351.

It is an arithmetic number, because the mean of its divisors is an integer number (6542159640).

Almost surely, 2^52542521216 is an apocalyptic number.

It is an amenable number.

52542521216 is a deficient number, since it is larger than the sum of its proper divisors (52132033024).

52542521216 is an equidigital number, since it uses as much as digits as its factorization.

52542521216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410488461 (or 410488449 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The spelling of 52542521216 in words is "fifty-two billion, five hundred forty-two million, five hundred twenty-one thousand, two hundred sixteen".