557798 has 8 divisors (see below), whose sum is σ = 843480. Its totient is φ = 276640.

The previous prime is 557789. The next prime is 557801. The reversal of 557798 is 897755.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×557798² = 622277217608, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803 + ... + 1326.

It is an arithmetic number, because the mean of its divisors is an integer number (105435).

2⁵⁵⁷⁷⁹⁸ is an apocalyptic number.

557798 is a deficient number, since it is larger than the sum of its proper divisors (285682).

557798 is a wasteful number, since it uses less digits than its factorization.

557798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its digits is 88200, while the sum is 41.

The square root of 557798 is about 746.8587550535. The cubic root of 557798 is about 82.3175275306.

The spelling of 557798 in words is "five hundred fifty-seven thousand, seven hundred ninety-eight".