556631127 has 12 divisors (see below), whose sum is σ = 865870824. Its totient is φ = 342542160.

The previous prime is 556631111. The next prime is 556631147. The reversal of 556631127 is 721136655.

556631127 is a `hidden beast` number, since 5 + 5 + 6 + 631 + 12 + 7 = 666.

It is not a de Polignac number, because 556631127 - 2⁴ = 556631111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556631091 and 556631100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556631147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2378649 + ... + 2378882.

It is an arithmetic number, because the mean of its divisors is an integer number (72155902).

Almost surely, 2^556631127 is an apocalyptic number.

556631127 is a deficient number, since it is larger than the sum of its proper divisors (309239697).

556631127 is a wasteful number, since it uses less digits than its factorization.

556631127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757550 (or 4757547 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 556631127 is about 23593.0313228292. The cubic root of 556631127 is about 822.6008669022.

The spelling of 556631127 in words is "five hundred fifty-six million, six hundred thirty-one thousand, one hundred twenty-seven".