556662427 has 4 divisors (see below), whose sum is σ = 557589256. Its totient is φ = 555735600.

The previous prime is 556662401. The next prime is 556662439. The reversal of 556662427 is 724266655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556662427 - 2²⁷ = 422444699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556662487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462513 + ... + 463714.

It is an arithmetic number, because the mean of its divisors is an integer number (139397314).

Almost surely, 2^556662427 is an apocalyptic number.

556662427 is a deficient number, since it is larger than the sum of its proper divisors (926829).

556662427 is an equidigital number, since it uses as much as digits as its factorization.

556662427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926828.

The product of its digits is 604800, while the sum is 43.

The square root of 556662427 is about 23593.6946449682. The cubic root of 556662427 is about 822.6162852067.

The spelling of 556662427 in words is "five hundred fifty-six million, six hundred sixty-two thousand, four hundred twenty-seven".