56031593 has 2 divisors, whose sum is σ = 56031594. Its totient is φ = 56031592.

The previous prime is 56031587. The next prime is 56031617. The reversal of 56031593 is 39513065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29735209 + 26296384 = 5453^2 + 5128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56031593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56031523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28015796 + 28015797.

It is an arithmetic number, because the mean of its divisors is an integer number (28015797).

Almost surely, 2^56031593 is an apocalyptic number.

It is an amenable number.

56031593 is a deficient number, since it is larger than the sum of its proper divisors (1).

56031593 is an equidigital number, since it uses as much as digits as its factorization.

56031593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 56031593 is about 7485.4253720146. The cubic root of 56031593 is about 382.6581697370.

The spelling of 56031593 in words is "fifty-six million, thirty-one thousand, five hundred ninety-three".