557948 has 6 divisors (see below), whose sum is σ = 976416. Its totient is φ = 278972.

The previous prime is 557927. The next prime is 557981. The reversal of 557948 is 849755.

It is a super-2 number, since 2×557948² = 622611941408, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5⁶ + 5⁶ + 9 + 7⁴ + 4⁹ + 8⁶ .

It is a congruent number.

It is an unprimeable number.

557948 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69740 + ... + 69747.

It is an arithmetic number, because the mean of its divisors is an integer number (162736).

2⁵⁵⁷⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

557948 is a deficient number, since it is larger than the sum of its proper divisors (418468).

557948 is a wasteful number, since it uses less digits than its factorization.

557948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139491 (or 139489 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 557948 is about 746.9591688975. The cubic root of 557948 is about 82.3249056630.

The spelling of 557948 in words is "five hundred fifty-seven thousand, nine hundred forty-eight".