56017807 has 2 divisors, whose sum is σ = 56017808. Its totient is φ = 56017806.

The previous prime is 56017783. The next prime is 56017813. The reversal of 56017807 is 70871065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56017807 - 2⁷ = 56017679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56017307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28008903 + 28008904.

It is an arithmetic number, because the mean of its divisors is an integer number (28008904).

Almost surely, 2^56017807 is an apocalyptic number.

56017807 is a deficient number, since it is larger than the sum of its proper divisors (1).

56017807 is an equidigital number, since it uses as much as digits as its factorization.

56017807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 56017807 is about 7484.5044592144. The cubic root of 56017807 is about 382.6267841208.

The spelling of 56017807 in words is "fifty-six million, seventeen thousand, eight hundred seven".