56607919 has 2 divisors, whose sum is σ = 56607920. Its totient is φ = 56607918.

The previous prime is 56607907. The next prime is 56607949. The reversal of 56607919 is 91970665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56607919 - 2⁹ = 56607407 is a prime.

It is a super-2 number, since 2×56607919² = 6408912987021122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56607949) 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, 28303959 + 28303960.

It is an arithmetic number, because the mean of its divisors is an integer number (28303960).

Almost surely, 2^56607919 is an apocalyptic number.

56607919 is a deficient number, since it is larger than the sum of its proper divisors (1).

56607919 is an equidigital number, since it uses as much as digits as its factorization.

56607919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 56607919 is about 7523.8234296134. The cubic root of 56607919 is about 383.9656703070.

The spelling of 56607919 in words is "fifty-six million, six hundred seven thousand, nine hundred nineteen".