52887947392 has 64 divisors (see below), whose sum is σ = 122455569600. Its totient is φ = 22282066944.

The previous prime is 52887947381. The next prime is 52887947423. The reversal of 52887947392 is 29374978825.

It is a happy number.

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 (64).

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 7 ways as a sum of consecutive naturals, for example, 447363 + ... + 553090.

It is an arithmetic number, because the mean of its divisors is an integer number (1913368275).

Almost surely, 2^52887947392 is an apocalyptic number.

It is an amenable number.

52887947392 is an abundant number, since it is smaller than the sum of its proper divisors (69567622208).

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

52887947392 is a wasteful number, since it uses less digits than its factorization.

52887947392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000533 (or 1000521 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 64.

The spelling of 52887947392 in words is "fifty-two billion, eight hundred eighty-seven million, nine hundred forty-seven thousand, three hundred ninety-two".