52745444784 has 160 divisors (see below), whose sum is σ = 159613117440. Its totient is φ = 16643708928.

The previous prime is 52745444777. The next prime is 52745444813. The reversal of 52745444784 is 48744454725.

52745444784 is a `hidden beast` number, since 5 + 2 + 74 + 54 + 447 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 52745444784.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936429 + ... + 991155.

It is an arithmetic number, because the mean of its divisors is an integer number (997581984).

Almost surely, 2^52745444784 is an apocalyptic number.

52745444784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52745444784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79806558720).

52745444784 is an abundant number, since it is smaller than the sum of its proper divisors (106867672656).

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

52745444784 is a wasteful number, since it uses less digits than its factorization.

52745444784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54864 (or 54852 counting only the distinct ones).

The product of its digits is 20070400, while the sum is 54.

The spelling of 52745444784 in words is "fifty-two billion, seven hundred forty-five million, four hundred forty-four thousand, seven hundred eighty-four".