50989810711225 has 9 divisors (see below), whose sum is σ = 63227409554383. Its totient is φ = 40791820006120.

The previous prime is 50989810711199. The next prime is 50989810711249. The reversal of 50989810711225 is 52211701898905.

The square root of 50989810711225 is 7140715.

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., 18356331856041 + 32633478855184 = 4284429^2 + 5712572^2 .

It is not a de Polignac number, because 50989810711225 - 2²³ = 50989802322617 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 50989810711225.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34989504 + ... + 36417646.

Almost surely, 2^{50989810711225} is an apocalyptic number.

50989810711225 is the 7140715-th square number.

50989810711225 is the 3570358-th centered octagonal number.

It is an amenable number.

50989810711225 is a deficient number, since it is larger than the sum of its proper divisors (12237598843158).

50989810711225 is an frugal number, since it uses more digits than its factorization.

50989810711225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856296 (or 1428148 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 58.

The spelling of 50989810711225 in words is "fifty trillion, nine hundred eighty-nine billion, eight hundred ten million, seven hundred eleven thousand, two hundred twenty-five".