52805830780525 has 12 divisors (see below), whose sum is σ = 65685789263412. Its totient is φ = 42111400691840.

The previous prime is 52805830780517. The next prime is 52805830780601. The reversal of 52805830780525 is 52508703850825.

It can be written as a sum of positive squares in 6 ways, for example, as 21061463382729 + 31744367397796 = 4589277^2 + 5634214^2 .

It is not a de Polignac number, because 52805830780525 - 2³ = 52805830780517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52805830780525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3331590232 + ... + 3331606081.

It is an arithmetic number, because the mean of its divisors is an integer number (5473815771951).

Almost surely, 2^{52805830780525} is an apocalyptic number.

It is an amenable number.

52805830780525 is a deficient number, since it is larger than the sum of its proper divisors (12879958482887).

52805830780525 is a wasteful number, since it uses less digits than its factorization.

52805830780525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663196640 (or 6663196635 counting only the distinct ones).

The product of its (nonzero) digits is 26880000, while the sum is 58.

The spelling of 52805830780525 in words is "fifty-two trillion, eight hundred five billion, eight hundred thirty million, seven hundred eighty thousand, five hundred twenty-five".