56003039 has 2 divisors, whose sum is σ = 56003040. Its totient is φ = 56003038.

The previous prime is 56003023. The next prime is 56003053. The reversal of 56003039 is 93030065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56003039 - 2⁴ = 56003023 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 56002999 and 56003017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56003009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28001519 + 28001520.

It is an arithmetic number, because the mean of its divisors is an integer number (28001520).

Almost surely, 2^56003039 is an apocalyptic number.

56003039 is a deficient number, since it is larger than the sum of its proper divisors (1).

56003039 is an equidigital number, since it uses as much as digits as its factorization.

56003039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 56003039 is about 7483.5178225217. The cubic root of 56003039 is about 382.5931571410.

The spelling of 56003039 in words is "fifty-six million, three thousand, thirty-nine".