56019907 has 2 divisors, whose sum is σ = 56019908. Its totient is φ = 56019906.

The previous prime is 56019889. The next prime is 56019917. The reversal of 56019907 is 70991065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56019907 - 2⁷ = 56019779 is a prime.

It is not a weakly prime, because it can be changed into another prime (56019917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28009953 + 28009954.

It is an arithmetic number, because the mean of its divisors is an integer number (28009954).

Almost surely, 2^56019907 is an apocalyptic number.

56019907 is a deficient number, since it is larger than the sum of its proper divisors (1).

56019907 is an equidigital number, since it uses as much as digits as its factorization.

56019907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 56019907 is about 7484.6447477486. The cubic root of 56019907 is about 382.6315653754.

The spelling of 56019907 in words is "fifty-six million, nineteen thousand, nine hundred seven".