52505020205 has 16 divisors (see below), whose sum is σ = 68910566400. Its totient is φ = 38087290560.

The previous prime is 52505020187. The next prime is 52505020207. The reversal of 52505020205 is 50202050525.

It is not a de Polignac number, because 52505020205 - 2³⁴ = 35325151021 is a prime.

It is a super-3 number, since 3×52505020205³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52505020207) 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 15 ways as a sum of consecutive naturals, for example, 1205645 + ... + 1248434.

It is an arithmetic number, because the mean of its divisors is an integer number (4306910400).

Almost surely, 2^52505020205 is an apocalyptic number.

52505020205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52505020205 is a deficient number, since it is larger than the sum of its proper divisors (16405546195).

52505020205 is a wasteful number, since it uses less digits than its factorization.

52505020205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454484.

The product of its (nonzero) digits is 5000, while the sum is 26.

The spelling of 52505020205 in words is "fifty-two billion, five hundred five million, twenty thousand, two hundred five".