52100555225 has 12 divisors (see below), whose sum is σ = 64607819820. Its totient is φ = 41678424000.

The previous prime is 52100555191. The next prime is 52100555251. The reversal of 52100555225 is 52255500125.

52100555225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4428636304 + 47671918921 = 66548^2 + 218339^2 .

It is not a de Polignac number, because 52100555225 - 2⁶ = 52100555161 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52100555191 and 52100555200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686471 + ... + 758579.

It is an arithmetic number, because the mean of its divisors is an integer number (5383984985).

Almost surely, 2^52100555225 is an apocalyptic number.

It is an amenable number.

52100555225 is a deficient number, since it is larger than the sum of its proper divisors (12507264595).

52100555225 is a wasteful number, since it uses less digits than its factorization.

52100555225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101020 (or 101015 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 52100555225 in words is "fifty-two billion, one hundred million, five hundred fifty-five thousand, two hundred twenty-five".