56731033 has 2 divisors, whose sum is σ = 56731034. Its totient is φ = 56731032.

The previous prime is 56731019. The next prime is 56731099. The reversal of 56731033 is 33013765.

56731033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56731024 + 9 = 7532^2 + 3^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56731033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56730992 and 56731010.

It is not a weakly prime, because it can be changed into another prime (56731733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28365516 + 28365517.

It is an arithmetic number, because the mean of its divisors is an integer number (28365517).

Almost surely, 2^56731033 is an apocalyptic number.

It is an amenable number.

56731033 is a deficient number, since it is larger than the sum of its proper divisors (1).

56731033 is an equidigital number, since it uses as much as digits as its factorization.

56731033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 56731033 is about 7532.0005974509. Note that the first 3 decimals coincide. The cubic root of 56731033 is about 384.2438252727.

Adding to 56731033 its reverse (33013765), we get a palindrome (89744798).

The spelling of 56731033 in words is "fifty-six million, seven hundred thirty-one thousand, thirty-three".