53216521516416 has 64 divisors (see below), whose sum is σ = 141363928601280. Its totient is φ = 17737893892608.

The previous prime is 53216521516393. The next prime is 53216521516429. The reversal of 53216521516416 is 61461512561235.

53216521516416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3525895 + ... + 10902521.

It is an arithmetic number, because the mean of its divisors is an integer number (2208811384395).

Almost surely, 2^{53216521516416} is an apocalyptic number.

It is an amenable number.

53216521516416 is an abundant number, since it is smaller than the sum of its proper divisors (88147407084864).

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

53216521516416 is a wasteful number, since it uses less digits than its factorization.

53216521516416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7395431 (or 7395419 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The spelling of 53216521516416 in words is "fifty-three trillion, two hundred sixteen billion, five hundred twenty-one million, five hundred sixteen thousand, four hundred sixteen".