52398617760 has 72 divisors (see below), whose sum is σ = 178810288020. Its totient is φ = 13972964352.

The previous prime is 52398617749. The next prime is 52398617767. The reversal of 52398617760 is 6771689325.

It can be written as a sum of positive squares in 2 ways, for example, as 45568587024 + 6830030736 = 213468^2 + 82644^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 52398617697 and 52398617706.

It is not an unprimeable number, because it can be changed into a prime (52398617767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18192525 + ... + 18195404.

Almost surely, 2^52398617760 is an apocalyptic number.

It is an amenable number.

52398617760 is an abundant number, since it is smaller than the sum of its proper divisors (126411670260).

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

52398617760 is a wasteful number, since it uses less digits than its factorization.

52398617760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36387950 (or 36387939 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 52398617760 in words is "fifty-two billion, three hundred ninety-eight million, six hundred seventeen thousand, seven hundred sixty".