52446321216 has 42 divisors (see below), whose sum is σ = 150327911942. Its totient is φ = 17482106880.

The previous prime is 52446321211. The next prime is 52446321229. The reversal of 52446321216 is 61212364425.

52446321216 is a `hidden beast` number, since 5 + 2 + 4 + 4 + 632 + 1 + 2 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47698560000 + 4747761216 = 218400^2 + 68904^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52446321211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45525745 + ... + 45526896.

Almost surely, 2^52446321216 is an apocalyptic number.

It is an amenable number.

52446321216 is an abundant number, since it is smaller than the sum of its proper divisors (97881590726).

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

52446321216 is a wasteful number, since it uses less digits than its factorization.

52446321216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91052659 (or 91052646 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 52446321216 in words is "fifty-two billion, four hundred forty-six million, three hundred twenty-one thousand, two hundred sixteen".