52775444736 has 216 divisors, whose sum is σ = 174608650944. Its totient is φ = 15017472000.

The previous prime is 52775444723. The next prime is 52775444737. The reversal of 52775444736 is 63744457725.

52775444736 is a `hidden beast` number, since 5 + 27 + 7 + 544 + 4 + 73 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (52775444737) 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, 4041610 + ... + 4054646.

It is an arithmetic number, because the mean of its divisors is an integer number (808373384).

Almost surely, 2^52775444736 is an apocalyptic number.

52775444736 is a gapful number since it is divisible by the number (56) 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 52775444736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87304325472).

52775444736 is an abundant number, since it is smaller than the sum of its proper divisors (121833206208).

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

52775444736 is a wasteful number, since it uses less digits than its factorization.

52775444736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13317 (or 13300 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 54.

The spelling of 52775444736 in words is "fifty-two billion, seven hundred seventy-five million, four hundred forty-four thousand, seven hundred thirty-six".