557113993 has 6 divisors (see below), whose sum is σ = 560330394. Its totient is φ = 553901184.

The previous prime is 557113979. The next prime is 557114003. The reversal of 557113993 is 399311755.

It can be written as a sum of positive squares in only one way, i.e., 415670544 + 141443449 = 20388^2 + 11893^2 .

It is not a de Polignac number, because 557113993 - 2⁵ = 557113961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557113093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327058 + ... + 328756.

It is an arithmetic number, because the mean of its divisors is an integer number (93388399).

Almost surely, 2^557113993 is an apocalyptic number.

It is an amenable number.

557113993 is a deficient number, since it is larger than the sum of its proper divisors (3216401).

557113993 is an frugal number, since it uses more digits than its factorization.

557113993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591 (or 1892 counting only the distinct ones).

The product of its digits is 127575, while the sum is 43.

The square root of 557113993 is about 23603.2623380752. The cubic root of 557113993 is about 822.8386612393.

The spelling of 557113993 in words is "five hundred fifty-seven million, one hundred thirteen thousand, nine hundred ninety-three".