56477227 has 2 divisors, whose sum is σ = 56477228. Its totient is φ = 56477226.

The previous prime is 56477191. The next prime is 56477243. The reversal of 56477227 is 72277465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56477227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56477227.

It is not a weakly prime, because it can be changed into another prime (56477527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28238613 + 28238614.

It is an arithmetic number, because the mean of its divisors is an integer number (28238614).

Almost surely, 2^56477227 is an apocalyptic number.

56477227 is a deficient number, since it is larger than the sum of its proper divisors (1).

56477227 is an equidigital number, since it uses as much as digits as its factorization.

56477227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 40.

The square root of 56477227 is about 7515.1331990857. The cubic root of 56477227 is about 383.6699524989.

The spelling of 56477227 in words is "fifty-six million, four hundred seventy-seven thousand, two hundred twenty-seven".