56145007 has 2 divisors, whose sum is σ = 56145008. Its totient is φ = 56145006.

The previous prime is 56144993. The next prime is 56145017. The reversal of 56145007 is 70054165.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56145007 is a prime.

It is a super-2 number, since 2×56145007² = 6304523622060098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56145017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28072503 + 28072504.

It is an arithmetic number, because the mean of its divisors is an integer number (28072504).

Almost surely, 2^56145007 is an apocalyptic number.

56145007 is a deficient number, since it is larger than the sum of its proper divisors (1).

56145007 is an equidigital number, since it uses as much as digits as its factorization.

56145007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 56145007 is about 7492.9971973837. The cubic root of 56145007 is about 382.9161762350.

The spelling of 56145007 in words is "fifty-six million, one hundred forty-five thousand, seven".