51763075225 has 9 divisors (see below), whose sum is σ = 64187623903. Its totient is φ = 41409550120.

The previous prime is 51763075223. The next prime is 51763075237. The reversal of 51763075225 is 52257036715.

The square root of 51763075225 is 227515.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18634707081 + 33128368144 = 136509^2 + 182012^2 .

It is not a de Polignac number, because 51763075225 - 2¹ = 51763075223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51763075223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1114824 + ... + 1160326.

Almost surely, 2^51763075225 is an apocalyptic number.

51763075225 is the 227515-th square number.

51763075225 is the 113758-th centered octagonal number.

It is an amenable number.

51763075225 is a deficient number, since it is larger than the sum of its proper divisors (12424548678).

51763075225 is an frugal number, since it uses more digits than its factorization.

51763075225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91016 (or 45508 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 51763075225 in words is "fifty-one billion, seven hundred sixty-three million, seventy-five thousand, two hundred twenty-five".