557536887 has 12 divisors (see below), whose sum is σ = 805587120. Its totient is φ = 371573088.

The previous prime is 557536873. The next prime is 557536921. The reversal of 557536887 is 788635755.

557536887 is a `hidden beast` number, since 5 + 575 + 3 + 68 + 8 + 7 = 666.

It is not a de Polignac number, because 557536887 - 2¹⁰ = 557535863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557536807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27478 + ... + 43244.

It is an arithmetic number, because the mean of its divisors is an integer number (67132260).

Almost surely, 2^557536887 is an apocalyptic number.

557536887 is a deficient number, since it is larger than the sum of its proper divisors (248050233).

557536887 is a wasteful number, since it uses less digits than its factorization.

557536887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19702 (or 19699 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 54.

The square root of 557536887 is about 23612.2190189741. The cubic root of 557536887 is about 823.0468086608.

The spelling of 557536887 in words is "five hundred fifty-seven million, five hundred thirty-six thousand, eight hundred eighty-seven".