52399374720 has 512 divisors, whose sum is σ = 220496256000. Its totient is φ = 10247208960.

The previous prime is 52399374719. The next prime is 52399374721. The reversal of 52399374720 is 2747399325.

It is an interprime number because it is at equal distance from previous prime (52399374719) and next prime (52399374721).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52399374721) 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, 2502856 + ... + 2523704.

It is an arithmetic number, because the mean of its divisors is an integer number (430656750).

Almost surely, 2^52399374720 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 52399374720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110248128000).

52399374720 is an abundant number, since it is smaller than the sum of its proper divisors (168096881280).

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

52399374720 is a wasteful number, since it uses less digits than its factorization.

52399374720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20906 (or 20894 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 52399374720 in words is "fifty-two billion, three hundred ninety-nine million, three hundred seventy-four thousand, seven hundred twenty".