557640099 has 32 divisors (see below), whose sum is σ = 840840000. Its totient is φ = 365202432.

The previous prime is 557640079. The next prime is 557640113. The reversal of 557640099 is 990046755.

It is a happy number.

557640099 is a `hidden beast` number, since 557 + 6 + 4 + 0 + 0 + 99 = 666.

557640099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 557640099 - 2⁵ = 557640067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557640029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389517 + ... + 390945.

It is an arithmetic number, because the mean of its divisors is an integer number (26276250).

Almost surely, 2^557640099 is an apocalyptic number.

557640099 is a deficient number, since it is larger than the sum of its proper divisors (283199901).

557640099 is a wasteful number, since it uses less digits than its factorization.

557640099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 557640099 is about 23614.4044811636. The cubic root of 557640099 is about 823.0975933818.

The spelling of 557640099 in words is "five hundred fifty-seven million, six hundred forty thousand, ninety-nine".