56271403 has 2 divisors, whose sum is σ = 56271404. Its totient is φ = 56271402.

The previous prime is 56271367. The next prime is 56271419. The reversal of 56271403 is 30417265.

56271403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56271403 - 2²¹ = 54174251 is a prime.

It is not a weakly prime, because it can be changed into another prime (56271473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28135701 + 28135702.

It is an arithmetic number, because the mean of its divisors is an integer number (28135702).

Almost surely, 2^56271403 is an apocalyptic number.

56271403 is a deficient number, since it is larger than the sum of its proper divisors (1).

56271403 is an equidigital number, since it uses as much as digits as its factorization.

56271403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 56271403 is about 7501.4267309626. The cubic root of 56271403 is about 383.2033065405.

Adding to 56271403 its reverse (30417265), we get a palindrome (86688668).

The spelling of 56271403 in words is "fifty-six million, two hundred seventy-one thousand, four hundred three".