557958068 has 6 divisors (see below), whose sum is σ = 976426626. Its totient is φ = 278979032.

The previous prime is 557958041. The next prime is 557958073. The reversal of 557958068 is 860859755.

It can be written as a sum of positive squares in only one way, i.e., 293505424 + 264452644 = 17132^2 + 16262^2 .

It is a super-2 number, since 2×557958068² = 622634411292585248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69744755 + ... + 69744762.

It is an arithmetic number, because the mean of its divisors is an integer number (162737771).

Almost surely, 2^557958068 is an apocalyptic number.

It is an amenable number.

557958068 is a deficient number, since it is larger than the sum of its proper divisors (418468558).

557958068 is a wasteful number, since it uses less digits than its factorization.

557958068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139489521 (or 139489519 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 53.

The square root of 557958068 is about 23621.1360438062. The cubic root of 557958068 is about 823.2540083589.

The spelling of 557958068 in words is "five hundred fifty-seven million, nine hundred fifty-eight thousand, sixty-eight".