557257006 has 16 divisors (see below), whose sum is σ = 854492400. Its totient is φ = 272475648.

The previous prime is 557257003. The next prime is 557257007. The reversal of 557257006 is 600752755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557257003) 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, 10540 + ... + 35008.

It is an arithmetic number, because the mean of its divisors is an integer number (53405775).

Almost surely, 2^557257006 is an apocalyptic number.

557257006 is a deficient number, since it is larger than the sum of its proper divisors (297235394).

557257006 is a wasteful number, since it uses less digits than its factorization.

557257006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24723.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 557257006 is about 23606.2916613347. The cubic root of 557257006 is about 822.9090636818.

The spelling of 557257006 in words is "five hundred fifty-seven million, two hundred fifty-seven thousand, six".