56061583 has 2 divisors, whose sum is σ = 56061584. Its totient is φ = 56061582.

The previous prime is 56061569. The next prime is 56061587. The reversal of 56061583 is 38516065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56061583 - 2¹³ = 56053391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56061587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030791 + 28030792.

It is an arithmetic number, because the mean of its divisors is an integer number (28030792).

Almost surely, 2^56061583 is an apocalyptic number.

56061583 is a deficient number, since it is larger than the sum of its proper divisors (1).

56061583 is an equidigital number, since it uses as much as digits as its factorization.

56061583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 56061583 is about 7487.4283302079. The cubic root of 56061583 is about 382.7264280836.

It can be divided in two parts, 56061 and 583, that added together give a square (56644 = 238²).

The spelling of 56061583 in words is "fifty-six million, sixty-one thousand, five hundred eighty-three".