52997747712 has 704 divisors, whose sum is σ = 183227788800. Its totient is φ = 13525843968.

The previous prime is 52997747711. The next prime is 52997747753. The reversal of 52997747712 is 21774779925.

It is a super-2 number, since 2×52997747712² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52997747711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 725996508 + ... + 725996580.

Almost surely, 2^52997747712 is an apocalyptic number.

52997747712 is a gapful number since it is divisible by the number (52) 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 52997747712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91613894400).

52997747712 is an abundant number, since it is smaller than the sum of its proper divisors (130230041088).

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

52997747712 is a wasteful number, since it uses less digits than its factorization.

52997747712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 151 counting only the distinct ones).

The product of its digits is 15558480, while the sum is 60.

The spelling of 52997747712 in words is "fifty-two billion, nine hundred ninety-seven million, seven hundred forty-seven thousand, seven hundred twelve".