557958066 has 32 divisors (see below), whose sum is σ = 1185071040. Its totient is φ = 174633984.

The previous prime is 557958041. The next prime is 557958073. The reversal of 557958066 is 660859755.

It is a super-2 number, since 2×557958066² = 622634406828920712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8775 + ... + 34538.

It is an arithmetic number, because the mean of its divisors is an integer number (37033470).

Almost surely, 2^557958066 is an apocalyptic number.

557958066 is an abundant number, since it is smaller than the sum of its proper divisors (627112974).

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

557958066 is a wasteful number, since it uses less digits than its factorization.

557958066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43450.

The product of its (nonzero) digits is 2268000, while the sum is 51.

The square root of 557958066 is about 23621.1360014712. The cubic root of 557958066 is about 823.2540073752.

The spelling of 557958066 in words is "five hundred fifty-seven million, nine hundred fifty-eight thousand, sixty-six".