53985047472 has 120 divisors (see below), whose sum is σ = 159405682800. Its totient is φ = 17008164864.

The previous prime is 53985047461. The next prime is 53985047477. The reversal of 53985047472 is 27474058935.

It is a happy number.

53985047472 is a `hidden beast` number, since 5 + 3 + 98 + 504 + 7 + 47 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53985047477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1161904 + ... + 1207472.

It is an arithmetic number, because the mean of its divisors is an integer number (1328380690).

Almost surely, 2^53985047472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53985047472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79702841400).

53985047472 is an abundant number, since it is smaller than the sum of its proper divisors (105420635328).

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

53985047472 is a wasteful number, since it uses less digits than its factorization.

53985047472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46035 (or 46026 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 53985047472 in words is "fifty-three billion, nine hundred eighty-five million, forty-seven thousand, four hundred seventy-two".