56275789 has 2 divisors, whose sum is σ = 56275790. Its totient is φ = 56275788.

The previous prime is 56275787. The next prime is 56275799. The reversal of 56275789 is 98757265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45765225 + 10510564 = 6765^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 56275789 - 2¹ = 56275787 is a prime.

Together with 56275787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56275781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28137894 + 28137895.

It is an arithmetic number, because the mean of its divisors is an integer number (28137895).

Almost surely, 2^56275789 is an apocalyptic number.

It is an amenable number.

56275789 is a deficient number, since it is larger than the sum of its proper divisors (1).

56275789 is an equidigital number, since it uses as much as digits as its factorization.

56275789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The square root of 56275789 is about 7501.7190696533. The cubic root of 56275789 is about 383.2132623733.

The spelling of 56275789 in words is "fifty-six million, two hundred seventy-five thousand, seven hundred eighty-nine".