557433958225 has 9 divisors (see below), whose sum is σ = 691222737243. Its totient is φ = 445944180120.

The previous prime is 557433958223. The next prime is 557433958247. The reversal of 557433958225 is 522859334755.

The square root of 557433958225 is 746615.

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., 200676224961 + 356757733264 = 447969^2 + 597292^2 .

It is not a de Polignac number, because 557433958225 - 2¹ = 557433958223 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 557433958225.

It is not an unprimeable number, because it can be changed into a prime (557433958223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3658414 + ... + 3807736.

Almost surely, 2^557433958225 is an apocalyptic number.

557433958225 is the 746615-th square number.

557433958225 is the 373308-th centered octagonal number.

It is an amenable number.

557433958225 is a deficient number, since it is larger than the sum of its proper divisors (133788779018).

557433958225 is an frugal number, since it uses more digits than its factorization.

557433958225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298656 (or 149328 counting only the distinct ones).

The product of its digits is 45360000, while the sum is 58.

The spelling of 557433958225 in words is "five hundred fifty-seven billion, four hundred thirty-three million, nine hundred fifty-eight thousand, two hundred twenty-five".