557148117 has 4 divisors (see below), whose sum is σ = 742864160. Its totient is φ = 371432076.

The previous prime is 557148091. The next prime is 557148121. The reversal of 557148117 is 711841755.

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.

It is not a de Polignac number, because 557148117 - 2⁷ = 557147989 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 (557148167) 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, 92858017 + ... + 92858022.

It is an arithmetic number, because the mean of its divisors is an integer number (185716040).

Almost surely, 2^557148117 is an apocalyptic number.

It is an amenable number.

557148117 is a deficient number, since it is larger than the sum of its proper divisors (185716043).

557148117 is a wasteful number, since it uses less digits than its factorization.

557148117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185716042.

The product of its digits is 39200, while the sum is 39.

The square root of 557148117 is about 23603.9851931830. The cubic root of 557148117 is about 822.8554608970.

The spelling of 557148117 in words is "five hundred fifty-seven million, one hundred forty-eight thousand, one hundred seventeen".