557386312 has 16 divisors (see below), whose sum is σ = 1194399360. Its totient is φ = 238879824.

The previous prime is 557386309. The next prime is 557386321. The reversal of 557386312 is 213683755.

It is a super-2 number, since 2×557386312² = 621359001609922688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4976608 + ... + 4976719.

It is an arithmetic number, because the mean of its divisors is an integer number (74649960).

Almost surely, 2^557386312 is an apocalyptic number.

It is an amenable number.

557386312 is an abundant number, since it is smaller than the sum of its proper divisors (637013048).

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

557386312 is a wasteful number, since it uses less digits than its factorization.

557386312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953340 (or 9953336 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 557386312 is about 23609.0303062197. The cubic root of 557386312 is about 822.9727080739.

The spelling of 557386312 in words is "five hundred fifty-seven million, three hundred eighty-six thousand, three hundred twelve".