56071733 has 2 divisors, whose sum is σ = 56071734. Its totient is φ = 56071732.

The previous prime is 56071667. The next prime is 56071739. The reversal of 56071733 is 33717065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34374769 + 21696964 = 5863^2 + 4658^2 .

It is a cyclic number.

It is not a de Polignac number, because 56071733 - 2¹² = 56067637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56071733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56071739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28035866 + 28035867.

It is an arithmetic number, because the mean of its divisors is an integer number (28035867).

Almost surely, 2^56071733 is an apocalyptic number.

It is an amenable number.

56071733 is a deficient number, since it is larger than the sum of its proper divisors (1).

56071733 is an equidigital number, since it uses as much as digits as its factorization.

56071733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 56071733 is about 7488.1061023466. The cubic root of 56071733 is about 382.7495243445.

Adding to 56071733 its reverse (33717065), we get a palindrome (89788798).

The spelling of 56071733 in words is "fifty-six million, seventy-one thousand, seven hundred thirty-three".