51700364225 has 6 divisors (see below), whose sum is σ = 64108451670. Its totient is φ = 41360291360.

The previous prime is 51700364207. The next prime is 51700364237. The reversal of 51700364225 is 52246300715.

It can be written as a sum of positive squares in 3 ways, for example, as 2337841 + 51698026384 = 1529^2 + 227372^2 .

It is not a de Polignac number, because 51700364225 - 2⁶ = 51700364161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1034007260 + ... + 1034007309.

It is an arithmetic number, because the mean of its divisors is an integer number (10684741945).

Almost surely, 2^51700364225 is an apocalyptic number.

It is an amenable number.

51700364225 is a deficient number, since it is larger than the sum of its proper divisors (12408087445).

51700364225 is a wasteful number, since it uses less digits than its factorization.

51700364225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068014579 (or 2068014574 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 51700364225 in words is "fifty-one billion, seven hundred million, three hundred sixty-four thousand, two hundred twenty-five".