52020535500 has 192 divisors, whose sum is σ = 178217020800. Its totient is φ = 13056076800.

The previous prime is 52020535451. The next prime is 52020535547. The reversal of 52020535500 is 553502025.

It is a super-2 number, since 2×52020535500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116166 + ... + 342834.

It is an arithmetic number, because the mean of its divisors is an integer number (928213650).

Almost surely, 2^52020535500 is an apocalyptic number.

52020535500 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 52020535500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89108510400).

52020535500 is an abundant number, since it is smaller than the sum of its proper divisors (126196485300).

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

52020535500 is a wasteful number, since it uses less digits than its factorization.

52020535500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226714 (or 226696 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The spelling of 52020535500 in words is "fifty-two billion, twenty million, five hundred thirty-five thousand, five hundred".