557993885 has 4 divisors (see below), whose sum is σ = 669592668. Its totient is φ = 446395104.

The previous prime is 557993879. The next prime is 557993903. The reversal of 557993885 is 588399755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588399755 = 5 ⋅117679951.

It can be written as a sum of positive squares in 2 ways, for example, as 106048804 + 451945081 = 10298^2 + 21259^2 .

It is a cyclic number.

It is not a de Polignac number, because 557993885 - 2⁸ = 557993629 is a prime.

It is a super-2 number, since 2×557993885² = 622714351394786450, which contains 22 as substring.

It is a Duffinian 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, 55799384 + ... + 55799393.

It is an arithmetic number, because the mean of its divisors is an integer number (167398167).

Almost surely, 2^557993885 is an apocalyptic number.

It is an amenable number.

557993885 is a deficient number, since it is larger than the sum of its proper divisors (111598783).

557993885 is a wasteful number, since it uses less digits than its factorization.

557993885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111598782.

The product of its digits is 13608000, while the sum is 59.

The square root of 557993885 is about 23621.8941873847. The cubic root of 557993885 is about 823.2716236957.

The spelling of 557993885 in words is "five hundred fifty-seven million, nine hundred ninety-three thousand, eight hundred eighty-five".