56147671 has 2 divisors, whose sum is σ = 56147672. Its totient is φ = 56147670.

The previous prime is 56147659. The next prime is 56147681. The reversal of 56147671 is 17674165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56147671 - 2⁵ = 56147639 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56147671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56147681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28073835 + 28073836.

It is an arithmetic number, because the mean of its divisors is an integer number (28073836).

Almost surely, 2^56147671 is an apocalyptic number.

56147671 is a deficient number, since it is larger than the sum of its proper divisors (1).

56147671 is an equidigital number, since it uses as much as digits as its factorization.

56147671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 56147671 is about 7493.1749612564. The cubic root of 56147671 is about 382.9222324136.

The spelling of 56147671 in words is "fifty-six million, one hundred forty-seven thousand, six hundred seventy-one".