557265216 has 28 divisors (see below), whose sum is σ = 1474431392. Its totient is φ = 185755008.

The previous prime is 557265211. The next prime is 557265217. The reversal of 557265216 is 612562755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557265211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451020 + ... + 1451403.

It is an arithmetic number, because the mean of its divisors is an integer number (52658264).

Almost surely, 2^557265216 is an apocalyptic number.

It is an amenable number.

557265216 is an abundant number, since it is smaller than the sum of its proper divisors (917166176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557265216 is a wasteful number, since it uses less digits than its factorization.

557265216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902438 (or 2902428 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 557265216 is about 23606.4655550127. The cubic root of 557265216 is about 822.9131049351.

The spelling of 557265216 in words is "five hundred fifty-seven million, two hundred sixty-five thousand, two hundred sixteen".