52318493730 has 80 divisors (see below), whose sum is σ = 140959393344. Its totient is φ = 13923753120.

The previous prime is 52318493683. The next prime is 52318493749. The reversal of 52318493730 is 3739481325.

52318493730 is a `hidden beast` number, since 5 + 231 + 8 + 49 + 373 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

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 39 ways as a sum of consecutive naturals, for example, 343225 + ... + 471635.

Almost surely, 2^52318493730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52318493730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70479696672).

52318493730 is an abundant number, since it is smaller than the sum of its proper divisors (88640899614).

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

52318493730 is a wasteful number, since it uses less digits than its factorization.

52318493730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128933 (or 128924 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 52318493730 in words is "fifty-two billion, three hundred eighteen million, four hundred ninety-three thousand, seven hundred thirty".