53959822690225 has 9 divisors (see below), whose sum is σ = 66910225679467. Its totient is φ = 43167828769240.

The previous prime is 53959822690201. The next prime is 53959822690297. The reversal of 53959822690225 is 52209622895935.

The square root of 53959822690225 is 7345735.

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., 19425536168481 + 34534286521744 = 4407441^2 + 5876588^2 .

It is not a de Polignac number, because 53959822690225 - 2¹⁵ = 53959822657457 is a prime.

It is a Duffinian number.

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, 35994102 + ... + 37463248.

Almost surely, 2^{53959822690225} is an apocalyptic number.

53959822690225 is the 7345735-th square number.

53959822690225 is the 3672868-th centered octagonal number.

It is an amenable number.

53959822690225 is a deficient number, since it is larger than the sum of its proper divisors (12950402989242).

53959822690225 is an frugal number, since it uses more digits than its factorization.

53959822690225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938304 (or 1469152 counting only the distinct ones).

The product of its (nonzero) digits is 209952000, while the sum is 67.

The spelling of 53959822690225 in words is "fifty-three trillion, nine hundred fifty-nine billion, eight hundred twenty-two million, six hundred ninety thousand, two hundred twenty-five".