557416225 has 12 divisors (see below), whose sum is σ = 692342716. Its totient is φ = 445193280.

The previous prime is 557416219. The next prime is 557416229. The reversal of 557416225 is 522614755.

557416225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 91374481 + 466041744 = 9559^2 + 21588^2 .

It is not a de Polignac number, because 557416225 - 2⁹ = 557415713 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557416229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2862 + ... + 33511.

Almost surely, 2^557416225 is an apocalyptic number.

It is an amenable number.

557416225 is a deficient number, since it is larger than the sum of its proper divisors (134926491).

557416225 is a wasteful number, since it uses less digits than its factorization.

557416225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36996 (or 36991 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 557416225 is about 23609.6638053150. The cubic root of 557416225 is about 822.9874298457.

The spelling of 557416225 in words is "five hundred fifty-seven million, four hundred sixteen thousand, two hundred twenty-five".