557398148 has 12 divisors (see below), whose sum is σ = 976637760. Its totient is φ = 278358792.

The previous prime is 557398141. The next prime is 557398187. The reversal of 557398148 is 841893755.

It is a junction number, because it is equal to n+sod(n) for n = 557398096 and 557398105.

It is not an unprimeable number, because it can be changed into a prime (557398141) 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 3 ways as a sum of consecutive naturals, for example, 81368 + ... + 87951.

It is an arithmetic number, because the mean of its divisors is an integer number (81386480).

Almost surely, 2^557398148 is an apocalyptic number.

It is an amenable number.

557398148 is a deficient number, since it is larger than the sum of its proper divisors (419239612).

557398148 is a wasteful number, since it uses less digits than its factorization.

557398148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170146 (or 170144 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 557398148 is about 23609.2809716857. The cubic root of 557398148 is about 822.9785332594.

The spelling of 557398148 in words is "five hundred fifty-seven million, three hundred ninety-eight thousand, one hundred forty-eight".