555406680 has 32 divisors (see below), whose sum is σ = 1666220400. Its totient is φ = 148108416.

The previous prime is 555406679. The next prime is 555406717. The reversal of 555406680 is 86604555.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2314075 + ... + 2314314.

Almost surely, 2^555406680 is an apocalyptic number.

It is an amenable number.

555406680 is an abundant number, since it is smaller than the sum of its proper divisors (1110813720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555406680 is a wasteful number, since it uses less digits than its factorization.

555406680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628403 (or 4628399 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 555406680 is about 23567.0677005011. The cubic root of 555406680 is about 821.9972531447.

The spelling of 555406680 in words is "five hundred fifty-five million, four hundred six thousand, six hundred eighty".