557249803 has 8 divisors (see below), whose sum is σ = 639904320. Its totient is φ = 479927880.

The previous prime is 557249789. The next prime is 557249827. The reversal of 557249803 is 308942755.

557249803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 557249803 - 2⁹ = 557249291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557249803.

It is not an unprimeable number, because it can be changed into a prime (557249873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332925 + ... + 1333342.

It is an arithmetic number, because the mean of its divisors is an integer number (79988040).

Almost surely, 2^557249803 is an apocalyptic number.

557249803 is a deficient number, since it is larger than the sum of its proper divisors (82654517).

557249803 is a wasteful number, since it uses less digits than its factorization.

557249803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666297.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 557249803 is about 23606.1390955827. The cubic root of 557249803 is about 822.9055180769.

The spelling of 557249803 in words is "five hundred fifty-seven million, two hundred forty-nine thousand, eight hundred three".