52191740832 has 288 divisors, whose sum is σ = 183013447680. Its totient is φ = 12842565120.

The previous prime is 52191740791. The next prime is 52191740873. The reversal of 52191740832 is 23804719125.

It is an interprime number because it is at equal distance from previous prime (52191740791) and next prime (52191740873).

It is a super-2 number, since 2×52191740832² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 956593 + ... + 1009679.

It is an arithmetic number, because the mean of its divisors is an integer number (635463360).

Almost surely, 2^52191740832 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 52191740832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91506723840).

52191740832 is an abundant number, since it is smaller than the sum of its proper divisors (130821706848).

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

52191740832 is a wasteful number, since it uses less digits than its factorization.

52191740832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53144 (or 53129 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 52191740832 in words is "fifty-two billion, one hundred ninety-one million, seven hundred forty thousand, eight hundred thirty-two".