52020506357500 has 120 divisors (see below), whose sum is σ = 114005601742032. Its totient is φ = 20763038400000.

The previous prime is 52020506357497. The next prime is 52020506357509. The reversal of 52020506357500 is 575360502025.

It is a super-2 number, since 2×52020506357500² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52020506357509) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2558417334 + ... + 2558437666.

Almost surely, 2^{52020506357500} is an apocalyptic number.

52020506357500 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 52020506357500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57002800871016).

52020506357500 is an abundant number, since it is smaller than the sum of its proper divisors (61985095384532).

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

52020506357500 is a wasteful number, since it uses less digits than its factorization.

52020506357500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22529 (or 22512 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 40.

Adding to 52020506357500 its reverse (575360502025), we get a palindrome (52595866859525).

The spelling of 52020506357500 in words is "fifty-two trillion, twenty billion, five hundred six million, three hundred fifty-seven thousand, five hundred".