557253687 has 8 divisors (see below), whose sum is σ = 744683904. Its totient is φ = 370662968.

The previous prime is 557253677. The next prime is 557253731. The reversal of 557253687 is 786352755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557253687 - 2⁶ = 557253623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557253677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208323 + ... + 210980.

It is an arithmetic number, because the mean of its divisors is an integer number (93085488).

Almost surely, 2^557253687 is an apocalyptic number.

557253687 is a deficient number, since it is larger than the sum of its proper divisors (187430217).

557253687 is a wasteful number, since it uses less digits than its factorization.

557253687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419749.

The product of its digits is 1764000, while the sum is 48.

The square root of 557253687 is about 23606.2213621748. The cubic root of 557253687 is about 822.9074299409.

The spelling of 557253687 in words is "five hundred fifty-seven million, two hundred fifty-three thousand, six hundred eighty-seven".