56109073 has 2 divisors, whose sum is σ = 56109074. Its totient is φ = 56109072.

The previous prime is 56109047. The next prime is 56109077. The reversal of 56109073 is 37090165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53246209 + 2862864 = 7297^2 + 1692^2 .

It is a cyclic number.

It is not a de Polignac number, because 56109073 - 2¹⁷ = 55978001 is a prime.

It is not a weakly prime, because it can be changed into another prime (56109077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28054536 + 28054537.

It is an arithmetic number, because the mean of its divisors is an integer number (28054537).

Almost surely, 2^56109073 is an apocalyptic number.

It is an amenable number.

56109073 is a deficient number, since it is larger than the sum of its proper divisors (1).

56109073 is an equidigital number, since it uses as much as digits as its factorization.

56109073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 56109073 is about 7490.5989747149. The cubic root of 56109073 is about 382.8344672986.

The spelling of 56109073 in words is "fifty-six million, one hundred nine thousand, seventy-three".