52020552540100 has 72 divisors (see below), whose sum is σ = 118864449375840. Its totient is φ = 19706655156480.

The previous prime is 52020552540079. The next prime is 52020552540101. The reversal of 52020552540100 is 104525502025.

It is a happy number.

It is a super-2 number, since 2×52020552540100² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52020552540101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1417344 + ... + 10298056.

It is an arithmetic number, because the mean of its divisors is an integer number (1650895130220).

Almost surely, 2^{52020552540100} is an apocalyptic number.

52020552540100 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 52020552540100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59432224687920).

52020552540100 is an abundant number, since it is smaller than the sum of its proper divisors (66843896835740).

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

52020552540100 is a wasteful number, since it uses less digits than its factorization.

52020552540100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883829 (or 8883822 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 52020552540100 in words is "fifty-two trillion, twenty billion, five hundred fifty-two million, five hundred forty thousand, one hundred".