52521742026 has 96 divisors (see below), whose sum is σ = 124052947200. Its totient is φ = 15963098112.

The previous prime is 52521741973. The next prime is 52521742027. The reversal of 52521742026 is 62024712525.

52521742026 is a `hidden beast` number, since 525 + 21 + 74 + 20 + 26 = 666.

It is not an unprimeable number, because it can be changed into a prime (52521742027) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 13594171 + ... + 13598033.

It is an arithmetic number, because the mean of its divisors is an integer number (1292218200).

Almost surely, 2^52521742026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52521742026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62026473600).

52521742026 is an abundant number, since it is smaller than the sum of its proper divisors (71531205174).

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

52521742026 is a wasteful number, since it uses less digits than its factorization.

52521742026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580 (or 4577 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 52521742026 in words is "fifty-two billion, five hundred twenty-one million, seven hundred forty-two thousand, twenty-six".