557605557 has 12 divisors (see below), whose sum is σ = 817452480. Its totient is φ = 366188328.

The previous prime is 557605549. The next prime is 557605571. The reversal of 557605557 is 755506755.

It is not a de Polignac number, because 557605557 - 2³ = 557605549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557605357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461757 + ... + 462962.

It is an arithmetic number, because the mean of its divisors is an integer number (68121040).

Almost surely, 2^557605557 is an apocalyptic number.

It is an amenable number.

557605557 is a deficient number, since it is larger than the sum of its proper divisors (259846923).

557605557 is a wasteful number, since it uses less digits than its factorization.

557605557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924792 (or 924789 counting only the distinct ones).

The product of its (nonzero) digits is 918750, while the sum is 45.

The square root of 557605557 is about 23613.6730942054. The cubic root of 557605557 is about 823.0805979373.

The spelling of 557605557 in words is "five hundred fifty-seven million, six hundred five thousand, five hundred fifty-seven".