52398111384 has 224 divisors, whose sum is σ = 156594547200. Its totient is φ = 16382554560.

The previous prime is 52398111377. The next prime is 52398111391. The reversal of 52398111384 is 48311189325.

52398111384 is a `hidden beast` number, since 523 + 9 + 8 + 1 + 113 + 8 + 4 = 666.

52398111384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52398111377) and next prime (52398111391).

It is a super-4 number, since 4×52398111384⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 11410929 + ... + 11415519.

It is an arithmetic number, because the mean of its divisors is an integer number (699082800).

Almost surely, 2^52398111384 is an apocalyptic number.

52398111384 is a gapful number since it is divisible by the number (54) 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 52398111384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78297273600).

52398111384 is an abundant number, since it is smaller than the sum of its proper divisors (104196435816).

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

52398111384 is a wasteful number, since it uses less digits than its factorization.

52398111384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4718 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 52398111384 in words is "fifty-two billion, three hundred ninety-eight million, one hundred eleven thousand, three hundred eighty-four".