56219827 has 2 divisors, whose sum is σ = 56219828. Its totient is φ = 56219826.

The previous prime is 56219819. The next prime is 56219831. The reversal of 56219827 is 72891265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56219827 - 2³ = 56219819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56219827.

It is not a weakly prime, because it can be changed into another prime (56219887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28109913 + 28109914.

It is an arithmetic number, because the mean of its divisors is an integer number (28109914).

Almost surely, 2^56219827 is an apocalyptic number.

56219827 is a deficient number, since it is larger than the sum of its proper divisors (1).

56219827 is an equidigital number, since it uses as much as digits as its factorization.

56219827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 56219827 is about 7497.9881968432. The cubic root of 56219827 is about 383.0861947449.

The spelling of 56219827 in words is "fifty-six million, two hundred nineteen thousand, eight hundred twenty-seven".