557013212 has 24 divisors (see below), whose sum is σ = 1114802304. Its totient is φ = 238553712.

The previous prime is 557013187. The next prime is 557013251. The reversal of 557013212 is 212310755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39443 + ... + 51669.

It is an arithmetic number, because the mean of its divisors is an integer number (46450096).

Almost surely, 2^557013212 is an apocalyptic number.

It is an amenable number.

557013212 is an abundant number, since it is smaller than the sum of its proper divisors (557789092).

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

557013212 is a wasteful number, since it uses less digits than its factorization.

557013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13865 (or 13863 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 557013212 is about 23601.1273459553. The cubic root of 557013212 is about 822.7890415295.

Adding to 557013212 its reverse (212310755), we get a palindrome (769323967).

The spelling of 557013212 in words is "five hundred fifty-seven million, thirteen thousand, two hundred twelve".