557097793 has 8 divisors (see below), whose sum is σ = 638290112. Its totient is φ = 476307216.

The previous prime is 557097773. The next prime is 557097817. The reversal of 557097793 is 397790755.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-557097793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557097793.

It is not an unprimeable number, because it can be changed into a prime (557097703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97455 + ... + 103012.

It is an arithmetic number, because the mean of its divisors is an integer number (79786264).

Almost surely, 2^557097793 is an apocalyptic number.

It is an amenable number.

557097793 is a deficient number, since it is larger than the sum of its proper divisors (81192319).

557097793 is a wasteful number, since it uses less digits than its factorization.

557097793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200871.

The product of its (nonzero) digits is 2083725, while the sum is 52.

The square root of 557097793 is about 23602.9191626799. The cubic root of 557097793 is about 822.8306855433.

The spelling of 557097793 in words is "five hundred fifty-seven million, ninety-seven thousand, seven hundred ninety-three".