555799881 has 48 divisors (see below), whose sum is σ = 930145664. Its totient is φ = 287421696.

The previous prime is 555799873. The next prime is 555799889. The reversal of 555799881 is 188997555.

It is an interprime number because it is at equal distance from previous prime (555799873) and next prime (555799889).

It is not a de Polignac number, because 555799881 - 2³ = 555799873 is a prime.

It is a super-2 number, since 2×555799881² = 617827015439228322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (555799889) 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 47 ways as a sum of consecutive naturals, for example, 3328060 + ... + 3328226.

Almost surely, 2^555799881 is an apocalyptic number.

It is an amenable number.

555799881 is a deficient number, since it is larger than the sum of its proper divisors (374345783).

555799881 is a wasteful number, since it uses less digits than its factorization.

555799881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 263 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 57.

The square root of 555799881 is about 23575.4083951901. The cubic root of 555799881 is about 822.1911854536.

The spelling of 555799881 in words is "five hundred fifty-five million, seven hundred ninety-nine thousand, eight hundred eighty-one".