52791385500 has 288 divisors, whose sum is σ = 197383001088. Its totient is φ = 12066408000.

The previous prime is 52791385499. The next prime is 52791385541. The reversal of 52791385500 is 558319725.

52791385500 is a `hidden beast` number, since 5 + 2 + 7 + 9 + 138 + 5 + 500 = 666.

52791385500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×52791385500³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 819465 + ... + 881535.

Almost surely, 2^52791385500 is an apocalyptic number.

52791385500 is a gapful number since it is divisible by the number (50) 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 52791385500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98691500544).

52791385500 is an abundant number, since it is smaller than the sum of its proper divisors (144591615588).

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

52791385500 is a wasteful number, since it uses less digits than its factorization.

52791385500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62112 (or 62088 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 52791385500 in words is "fifty-two billion, seven hundred ninety-one million, three hundred eighty-five thousand, five hundred".