557252117 has 4 divisors (see below), whose sum is σ = 557333856. Its totient is φ = 557170380.

The previous prime is 557252107. The next prime is 557252131. The reversal of 557252117 is 711252755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 711252755 = 5 ⋅142250551.

It is a cyclic number.

It is not a de Polignac number, because 557252117 - 2⁶ = 557252053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557252107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29609 + ... + 44622.

It is an arithmetic number, because the mean of its divisors is an integer number (139333464).

Almost surely, 2^557252117 is an apocalyptic number.

It is an amenable number.

557252117 is a deficient number, since it is larger than the sum of its proper divisors (81739).

557252117 is an equidigital number, since it uses as much as digits as its factorization.

557252117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81738.

The product of its digits is 24500, while the sum is 35.

The square root of 557252117 is about 23606.1881082059. The cubic root of 557252117 is about 822.9066571236.

The spelling of 557252117 in words is "five hundred fifty-seven million, two hundred fifty-two thousand, one hundred seventeen".