52195000320 has 896 divisors, whose sum is σ = 206293694400. Its totient is φ = 12612796416.

The previous prime is 52195000309. The next prime is 52195000321. The reversal of 52195000320 is 2300059125.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52195000321) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2269347829 + ... + 2269347851.

Almost surely, 2^52195000320 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 52195000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103146847200).

52195000320 is an abundant number, since it is smaller than the sum of its proper divisors (154098694080).

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

52195000320 is an frugal number, since it uses more digits than its factorization.

52195000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 52195000320 its reverse (2300059125), we get a palindrome (54495059445).

The spelling of 52195000320 in words is "fifty-two billion, one hundred ninety-five million, three hundred twenty", and thus it is an aban number.