556464527 has 2 divisors, whose sum is σ = 556464528. Its totient is φ = 556464526.

The previous prime is 556464523. The next prime is 556464529. The reversal of 556464527 is 725464655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556464527 - 2² = 556464523 is a prime.

Together with 556464529, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556464523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278232263 + 278232264.

It is an arithmetic number, because the mean of its divisors is an integer number (278232264).

Almost surely, 2^556464527 is an apocalyptic number.

556464527 is a deficient number, since it is larger than the sum of its proper divisors (1).

556464527 is an equidigital number, since it uses as much as digits as its factorization.

556464527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 44.

The square root of 556464527 is about 23589.5003550308. The cubic root of 556464527 is about 822.5187904171.

The spelling of 556464527 in words is "five hundred fifty-six million, four hundred sixty-four thousand, five hundred twenty-seven".